43
IV. SERVICE DIAGNOSIS
Display error records by operating the operation board (see “III. 5. [d] DISPLAYING ERROR
LOG”). Check for a possible cause and service the unit.
1. NO ICE PRODUCTION
PROBLEM POSSIBLE
CAUSE
REMEDY
1. OFF position.
1. Move to ON position.
2. Loose connections. 2.
Tighten.
3. Bad contacts.
3. Check for continuity and
replace.
4. Blown fuse.
4. Replace.
a) Power supply
5. Voltage too low.
5. Get recommended voltage.
b) Fuse
1. Blown out. No
indication on
operation board.
1. Locate and resolve the cause
of short circuit (ex. control
water valve, flush water
valve), and replace.
c) Transformer
receptacle
1. Disconnected.
1. Connect.
1. OFF position.
1. Move to ON position.
d) Operation switch
2. Bad contacts.
2. Check for continuity and
replace.
e) Transformer
1. Coil winding opened.
1. Replace.
f) Water valve
1. Coil winding opened.
1. Replace.
1. Closed.
1. Open.
g) Water supply tap
2. Water failure.
2. Wait till water is supplied.
1. Disconnected.
1. Connect.
h) Plug and
receptacle (control
box)
2. Terminal out of plug
or receptacle.
2. Insert terminal back in
position.
i) Reed switch
(spout)
1. Tripped.
1. See 1 - [3] - a).
j) Overload protector
1. Tripped.
2. Reset.
[1] The icemaker
will not start.
k) Model number
1. Incorrect.
2. Set correct number. See “III. 5.
[b] SETTING MODEL
NUMBER”.
1. Contacts fused.
1. Replace controller board.
a) Water control
relay (controller
board)
2. Coil winding opened.
2. Replace controller board.
1. Bad contacts.
1. Check for continuity and
replace.
b) Float switch
2. Float does not move
freely.
2. Clean or replace.
c) Flush water valve
1. Valve seat clogged
and water leaking.
1. Clean or replace.
d) Hoses
1. Disconnected.
1. Connect.
e) Mechanical seal
1. Water leaks.
1. Replace.
[2] Water does not
stop, and the
icemaker will not
start.
f) Reservoir
1. Cracked.
1. Replace.
a) Bin control
1. Bad contacts.
1. Check for continuity and
replace.
b) Gear motor
protector (thermal
breaker)
1. Tripped.
1. Find out the cause, resolve it,
and press reset button on
motor protector.
[3] Water has been
supplied, but the
icemaker will not
start.
c) Controller board
1. Defective.
1. Replace.
Summary of Contents for FM-300AKE-HC
Page 4: ...1 I SPECIFICATIONS 1 DIMENSIONS SPECIFICATIONS a FM 300AKE HC Auxiliary code D 0 or earlier ...
Page 5: ...2 b FM 300AKE HC Auxiliary code D 1 or later ...
Page 6: ...3 c FM 300AKE HCN Auxiliary code D 0 or earlier ...
Page 7: ...4 d FM 300AKE HCN Auxiliary code D 1 or later ...
Page 8: ...5 e FM 480AKE HC Auxiliary code D 0 or earlier ...
Page 9: ...6 f FM 480AKE HC Auxiliary code D 1 or later ...
Page 10: ...7 g FM 480AKE HCN Auxiliary code D 0 or earlier ...
Page 11: ...8 h FM 480AKE HCN Auxiliary code D 1 or later ...
Page 21: ...18 2 WIRING DIAGRAM a WIRING DIAGRAM FM 300AKE HC N Auxiliary code D 0 or earlier ...
Page 22: ...19 FM 300AKE HC N Auxiliary code D 1 or later ...
Page 23: ...20 FM 480AKE HC N Auxiliary code D 0 or earlier ...
Page 24: ...21 FM 480AKE HC N Auxiliary code D 1 or later ...
Page 33: ...30 b TIMING CHART ...
