PARKZONE PKZ3600, Instruction Manual

23

24

Troubleshooting Guide

Problem

Possible Cause

Solution

Aircraft will not 

“throttle up” but all 

other controls seem 

to function.

•  User did not lower throttle 

trim and throttle stick prior 

to initializing the aircraft. 

•  Lower throttle stick and throttle 

trim to their lowest settings. 

Propeller or motor 

shaft broken.

• Crash damage

•  Replace with PKZ3601 Prop with 

Spinner: P-51D, or PKZ3528 

Prop Shaft: P-51D.

Aircraft appears  

to show significant  

decrease in  

flight time.

•  Flight battery is not fully 

charged.

 •  AA batteries in charger have 

inadequate power. 

•  PKZ1035 battery has been 

over-discharged multiple 

times, causing damage to 

battery life.

•  Recharge flight battery 

completely.

•  Replace AA batteries in the 

charger and recharge flight  

battery completely. 

•  Replace PKZ1035 battery and 

read “Battery Warnings and 

Guidelines” section of manual. 

Charger light stays on 

after Li-Po battery is 

disconnected or 

remains on for longer 

than 40 minutes when 

charging. 

•  AA batteries in the charger 

have inadequate power.

•  Replace AA batteries in the 

charger.

Aircraft appears to 

have less power.

•  Bushings on gearbox may 

be causing friction, reducing 

power.

•  Lubricate the bushings of the 

gearbox.

LED on Aircraft 

remains flashing and 

cannot be controlled 

by transmitter.

•  User did not wait at least 5 

seconds after powering the 

transmitter prior to connect-

ing the flight battery to the 

Aircraft.

•  Transmitter was too close to 

Aircraft during the initializa-

tion process.

•  Unplug, then reconnect flight 

battery.

•  Move transmitter (powered on) a 

few feet from the Aircraft prior to 

reconnecting the flight battery.

Aircraft appears to 

roll, yaw, or pitch 

towards a certain 

direction.

•  User did not re-trim the 

Aircraft.

•  Trim control surface using the 

transmitter until airplane no 

longer moves that direction.

Aircraft does not  

function after  

connecting flight 

battery and aircraft 

smells burnt.

•  User may have accidentally 

plugged the flight battery in 

the wrong polarity.

•  Replace AR6400 board 

(SPMAR6400) and ensure the 

RED polarity marks are facing the 

same direction when connecting 

the flight battery to the AR6400 

board.

Age Recommendation: 

14 years or over. This is not a toy. This product is 

not intended for use by children without direct adult supervision.

Warranty Period

Exclusive Warranty- Horizon Hobby, Inc., (Horizon) warranties that the  

Products purchased (the “Product”) will be free from defects in materials and 

workmanship at the date of purchase by the Purchaser. 

Limited Warranty

(a) This warranty is limited to the original Purchaser (“Purchaser”) and is not 

transferable. REPAIR OR REPLACEMENT AS PROVIDED UNDER THIS  

WARRANTY IS THE EXCLUSIVE REMEDY OF THE PURCHASER.  This warranty 

covers only those Products purchased from an authorized Horizon dealer. 

Third party transactions are not covered by this warranty. Proof of purchase 

is required for warranty claims. Further, Horizon reserves the right to change 

or modify this warranty without notice and disclaims all other warranties, 

express or implied. 

(b) Limitations- HORIZON MAKES NO WARRANTY OR REPRESENTATION, 

EXPRESS OR IMPLIED, ABOUT NON-INFRINGEMENT, MERCHANTABILITY OR 

FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCT. THE PURCHASER 

ACKNOWLEDGES THAT THEY ALONE HAVE DETERMINED THAT THE  

PRODUCT WILL SUITABLY MEET THE REQUIREMENTS OF THE PURCHASER’S 

INTENDED USE.

(c) Purchaser Remedy- Horizon’s sole obligation hereunder shall be that 

Horizon will, at its option, (i) repair or (ii) replace, any Product determined by 

Horizon to be defective. In the event of a defect, these are the Purchaser’s 

exclusive remedies. Horizon reserves the right to inspect any and all equip-

ment involved in a warranty claim. Repair or replacement decisions are at the 

sole discretion of Horizon. This warranty does not cover cosmetic damage 

or damage due to acts of God, accident, misuse, abuse, negligence, com-

mercial use, or modification of or to any part of the Product. This warranty 

does not cover damage due to improper installation, operation, maintenance, 

or attempted repair by anyone other than Horizon. Return of any goods by 

Purchaser must be approved in writing by Horizon before shipment.

Damage Limits

HORIZON SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT OR 

CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR PRODUCTION OR  

COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCT,  

WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE, 

OR STRICT LIABILITY. Further, in no event shall the liability of Horizon exceed 

the individual price of the Product on which liability is asserted. As Horizon