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CHAMBERLAIN LIMITED WARRANTY
Merlin

®

Professional WhisperDrive

®

MT3850EVO

Sectional Garage Door Opener

Chamberlain Australia Pty Limited / Chamberlain New Zealand Limited
(Chamberlain), the manufacturer of Merlin

®

automatic garage door openers,

is committed to manufacturing and supplying high quality goods. As part of
this commitment, we seek to provide reliable service and support for our
goods and are pleased to provide you, the original purchaser, with this
Chamberlain Limited Warranty.

The benefits given to you under this Chamberlain Limited Warranty are in
addition to any rights and remedies that you may have under Australian or
New Zealand consumer protection laws. Our goods come with guarantees
that cannot be excluded under the Australian Consumer Law, or New Zealand
Consumer Guarantess Act 1993. You are entitled to a replacement or refund
for a major failure and for compensation for any other reasonably foreseeable
loss or damage. You are also entitled to have the goods repaired or replaced
if the goods fail to be of acceptable quality and the failure does not amount to
a major failure.

Chamberlain’s warranty

What is covered
Chamberlain warrants to the original purchaser of the Merlin WhisperDrive
MT3850EVO Sectional Door Opener (Unit) that all parts of the Unit, other than
remote controlled transmitters and accessories, globes and batteries, are free
from defects in materials and workmanship for a period of 84 months or
15,000 cycles (each opening & closing of the garage door equals 1 cycle)
whichever comes first, from the date of purchase when installed by a
Professional dealer appointed or authorised by Chamberlain in a residential
premise with a residential specified garage door that is designed for the sole
purpose of a single-family dwelling.
Chamberlain warrants that remote controlled transmitters and accessories
included with the Unit are free from defects in materials and workmanship for
a period of 12 months from the date of purchase.

What is not covered
Batteries and globes are not covered under the Chamberlain Limited
Warranty.
Travel costs incurred by Chamberlain or the Professional Dealer in either
travelling to or from areas outside a capital city metropolitan area. These costs
will be at the purchaser’s expense.
Additional access costs incurred by a Professional Dealer or Chamberlain in
obtaining access where the Unit is not readily accessible. These cost will be at
the purchaser’s expense.

Warranty Conditions
It is a condition of this Chamberlain Limited Warranty that the Unit is sold,
installed and serviced by a Professional Dealer appointed or authorised by
Chamberlain. A Merlin branded garage door opener purchased over the
internet and installed by a person other than a Professional Dealer will not be
covered by this Chamberlain Limited Warranty.

It is also a condition of this Chamberlain Limited Warranty that for the

operating life of the Unit:

1 the garage door is spring balanced, is operable by hand and opens

and closes with no more than a maximum of 20 kgs of lifting weight;

2

the garage door and the Unit is professionally maintained and serviced

by a Professional Dealer, at a minimum, during the third and fifth years
of the Chamberlain Limited Warranty period such that the spring
balanced door operates according to manufacturer specifications. If
your door binds, sticks, or is out of balance, then it must not be used
until serviced by a trained door technician or Profesional Dealer. The
garage door service fee will be at the purchaser’s expense;

3 the warranty is registered by completing the online form at

www.gomerlin.com.au or www.gomerlin.co.nz; and

4 you retain your sales docket or invoice as proof of purchase, and attach it

to this manual to enable you to establish the date of purchase in the
unlikely event of a warranty service being required.

Making a claim
During the applicable Chamberlain Limited Warranty period, if you are
concerned that the Unit may be defective, call the Professional Dealer that
sold/installed the opener, or our service centre on the toll free number below
and a Chamberlain technician will diagnose the problem and arrange for this
to be rectified. Once the problem has been diagnosed, subject to your rights
under the applicable Australian and New Zealand consumer protection laws
with respect to major failures, Chamberlain or its Professional Dealer will
provide you with either, repairs to the Unit or a replacement Unit.

Repairs and replacement parts provided under this Chamberlain Limited
Warranty are provided free of charge and are warranted for the remaining
portion of the original warranty period.

This Chamberlain Limited Warranty provides benefits which are in addition to
your other rights and remedies as a consumer.

Exclusions - what voids the warranty
If our service centre determines that a warranty claim has been made in respect
of a failure or defect arising under or out of any exclusion detailed below such
that the claim is not covered under this Chamberlain Limited Warranty, we may,
subject to your other rights and remedies as a consumer, charge you a fee to
repair, replace and/or return the Unit to you.

This Chamberlain Limited Warranty does not cover any failure of, or defect in,
the Unit due to:
1 non-compliance with the instructions regarding specifications, installation,

operation, maintenance and testing of the Unit or of any product with which
the Unit is used;

2 any attempt by a person other than a Professional Dealer to repair, dismantle,

reinstall or move the Unit to another location once it has been installed;

3 tampering, neglect, abuse, wear and tear, accident, electrical storm,

excessive use or conditions other than normal domestic use;

4 problems with, or relating to, the garage door or garage door hardware,

including but not limited to the door springs, door rollers, door alignment or
hinges;

5 problems caused by electrical faults or replacement of batteries or light bulbs,

blown fuses, electrical surges, power surges or power strikes, fire, flood, rain,
water, lightning or storms;

6 water or moisture ingress that causes corrosion or electrical malfunction;
7 corrosion caused by sea air if located near a waterway, beach etc;
8 fitment to a commercial door or in a commercial operating application,

installation of a residential garage door opener in a commercial or industrial
premises other than a single-family dwelling.

9 lack of proper maintenance, service or care of the door and Unit;
10 any unauthorised modification to the Unit; or
11 damage caused by insects, pests or other after sale damage caused by

events or accidents outside Chamberlain’s reasonable control and not arising
under normal and standard operating conditions.

NB: A General Purpose Outlet (GPO) ie: power point must be supplied by the
consumer as this electrical fitting does not form a part of the Unit (opener).

If this Chamberlain Limited Warranty does not apply, you may have rights
available to you under the Australian and New Zealand consumer protection
laws.

Liability – Australia only
Except as set out in the Australian Consumer Law (being Schedule 2 of the
Competition and Consumer Act 2010) (as amended, consolidated or replaced):
1 all other guarantees, warranties and representations in relation to the Unit or

its supply are excluded to the extent that Chamberlain can lawfully exclude
them; and

2 under no circumstances will Chamberlain be liable for consequential,

incidental or special damages arising in connection with the use, or inability to
use, the Unit, other than those which were reasonably foreseeable as liable to
result from the failure.

Liability – New Zealand only
Except as set out in the Fair Trading Act 1986 and the Consumer Guarantees Act
1993 
(as amended, consolidated or replaced):
1 all other guarantees, warranties and representations in relation to the Unit or

its supply are excluded to the extent that Chamberlain can lawfully exclude
them; and

2 under no circumstances will Chamberlain be liable for consequential,

incidental or special damages arising in connection with the use, or inability to
use, the Unit, other than those which were reasonably foreseeable as liable to
result from the failure.

Note
Chamberlain reserves the right to change the design and specifications of the
Unit without prior notification. Some features or accessories of the Unit may not
be available in certain markets or areas. Please check with your distributor.

Chamberlain service centre contact details

Australia
Phone toll free 1800 638 234
Fax toll free 1800 888 121
Email: customerservice@chamberlainanz.com
Website: gomerlin.com.au

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Unit1,75EppingRoad
NorthRydeNSW2113
(POBOX1446,LaneCoveNSW1595)

New Zealand
Aucklandphone094772823
Phonetollfree0800653667
Faxtollfree0800653663
Website:gomerlin.co.nz

Email:customerservice@chamberlainanz.com

Summary of Contents for MT3850EVO

Page 1: ...TING INSTRUCTIONS Owner s Copy Keep these Instructions for Future Reference Please read this manual and the enclosed safety materials carefully Periodic checks of the opener are required to ensure saf...

Page 2: ...0...

Page 3: ...your garage has no service entrance door a CM1702 outside quick release must be installed This accessory allows manual operation of the garage door from outside in the event of power failure Keep gar...

Page 4: ...Before you begin Disable locks Remove any ropes connected to garage door Complete the following test to make sure your garage door is balanced and is not sticking or binding 1 Lift the door about hal...

Page 5: ...Door Wall mounted Door Control Opener Vertical Centreline of Door 3 SECTIONAL DOOR INSTALLATION Planning Identify the type and height of your garage door Survey your garage area to see if any of the...

Page 6: ...less Keypad x 2 Merlin Security 2 0 E128M 2 Button Wireless Wall Control Opener Carton Belt Pack Inner Trolley Rail Braces One Piece Rail Header Sleeve Assembly Rail Cartons Max 40Watt E27 Light Bulb...

Page 7: ...omplete ASSEMBLY STEP 2 Install the Belt Remove belt from carton and lay it out on the floor be careful not to allow the belt to twist Hook the trolley connector into the connector slot on the inner t...

Page 8: ...mbly DOOR ASSEMBLY STEP 6 Attach the Rail to the Opener Holding belt out of the way Slide the rail assembly onto shim bracket until rail assembly is securely fastened to the opener Wrap the belt aroun...

Page 9: ...t may slip off pulley if belt is too loose If belt does slip re tighten spring nut by turning nut clockwise a half turn Do NOT over tighten belt Hex Screws Belt Pulley Cover Mounting Plate Opener Belt...

Page 10: ...st point of your door is less than recommended use the maximum height possible as long as the door does not contact the rail or refer to page 9 for ceiling installation To prevent possible SERIOUS INJ...

Page 11: ...eader bracket with coach bolts Ceiling mount Extend vertical centre line onto the ceiling Centre the header bracket on the vertical mark no more than 150 mm 6 from the wall Make sure the arrow is poin...

Page 12: ...base NOTE If the door spring is in the way you ll need help Have someone hold the opener securely on a temporary support to allow the rail to clear the spring Position the rail bracket against the hea...

Page 13: ...the trolley when you raise the door pull down on the trolley arm to disengage the opener Leave the trolley in this position until opener is fastened in place NOTE Timber spacers should be left in plac...

Page 14: ...ake sure the rail is centred over the door or in line with the header bracket if the bracket is not centred above the door 7 Remove timber spacer Operate the door manually If the door hits the rail ra...

Page 15: ...t using the two self threading screws Figure 2A Alternately use two 8 mm bolts spring washers and nuts not provided Figure 2B Metal insulated or lightweight factory reinforced doors Drill 4 5 mm faste...

Page 16: ...gether Find two pairs of holes that line up and join sections Select holes as far apart as possible to increase door arm rigidity Figure 3 If holes in curved arm are above holes in straight arm discon...

Page 17: ...edly NEVER use emergency release handle unless garage doorway is clear of persons and obstructions NEVER use handle to pull door open or closed Lens Hinge 40 Watt Max Standard Light Bulb Release Tab I...

Page 18: ...ng on battery power A flashing orange LED with beep indicates the opener is operating on battery power and that the battery charge is low To test the battery is functioning properly open and close the...

Page 19: ...n the door travels to the programmed UP limit the DOWN Arrow Button will begin to flash 7 Press and release the DOWN Arrow Button to test the DOWN limit The door will travel to the programmed DOWN lim...

Page 20: ...4 complete travel cycles to test adjustment If the opener continues to fail the Safety Reverse Test call for a qualified door technician IMPORTANT SAFETY CHECK Test the Safety Reverse System once a mo...

Page 21: ...with wall plugs and screws provided Ensure they do not obstruct the door movement Wiring Process Align the Sensors to face each other and tighten if necessary The wiring should exit from the bottom of...

Page 22: ...TO CLOSE FEATURE TTC OFF 1 long flash 1 min 1 short flash 5 min 2 short flashes 10 min 3 short flashes UP Arrow Button Learn Limits Button DOWN Arrow Button Battery Status LED Learn Button LED Figure...

Page 23: ...your opener using the steps below NOTE If adding an installed wall control E138M you will need a second person to press and hold the desired button If not installed program the wall button into the op...

Page 24: ...tification number PIN of your choice 4 Press and release the ENTER button Check to see if the bulb blinks If not slowly press and release the ENTER button until the light bulb blinks To change an exis...

Page 25: ...frozen to ground Remove any obstruction The garage door spring may be broken Have it replaced Check battery LED for status refer page 16 2 Door operates from door control but not from remote Replace...

Page 26: ...Wall mounted door control The wires for the door control Check the door control wiring is will not function are shorted or the door correct control is faulty 1 4 1 FLASH 4 FLASHES The garage door open...

Page 27: ...odule Reset limits force contact service centre 4 6 4 FLASHES 6 FLASHES The door reverses for no apparent The Protector System was Remove obstruction or realign reason while travelling down temporaril...

Page 28: ...Y To replace battery use a screwdriver blade to pry open the case as shown Insert battery positive side up Dispose of old battery properly Your opener can be activated by any of the following devices...

Page 29: ...ation for Service Personnel If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid hazard NOTE Only genuine Merlin acc...

Page 30: ...lley 183D0177 Segmented rail sections 183D0178 Segmented rail braces 012C0855 Header bracket 171A0028 031D0537 Belt pulley cover Replacement belt packs 041A5844 2 3m 041A5844 1 2 5m 041A5844 2 3 0m 84...

Page 31: ...res Chamberlain or its Professional Dealer will provide you with either repairs to the Unit or a replacement Unit Repairs and replacement parts provided under this Chamberlain Limited Warranty are pro...

Page 32: ...nc TM TrademarkofTheChamberlainGroup Inc RegisteredTrademarkofTheChamberlainGroup Inc Warranty Registration To validate your warranty you must complete the registration form online at gomerlin com au...

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