MovinCool CM25 Service Manual - Manual (Page 53)

Repair Section
53
LCD
displays
self-
diagnostic
codes.
E05 E05 2 Loose CTS2 thermistor
connection.
Reconnect the CTS2 thermistor and check
the connection.
RESET the controller *1 .
Defective CTS2
thermistor (short or
open).
Replace CTS2 thermistor.
RESET the controller *1 .
E06 E06 2 Loose CTS3 thermistor
connection.
Reconnect the CTS3 thermistor and check
the connection.
RESET the controller *1 .
Defective CTS3
thermistor (short or
open).
Replace CTS3 thermistor.
RESET the controller *1 .
E08 E08 4 WMC lost communication
with the unit for more
than 10 seconds.
Check for connection or interference.
RESET the controller *1 .
E09 E09 4 Evaporator fan motor is
locked.
Remove any foreign object causing fan lock.
RESET the controller *1 .
E10 E10 4 Condenser fan motor is
locked.
Remove any foreign object causing fan lock.
RESET the controller *1 .
OL OL 4 Compressor overload
protection is activated by
refrigerant leakage.
Repair the leaking section and recharge the
correct amount of refrigerant.
RESET the controller *1 .
E11 E11 4 Relay board
communication error
occurs for 40 seconds.
Check all wire connections on the relay
board.
RESET the controller *1 .
If the error still occurs, replace the relay
board.
RESET the controller *1 .
Condition Check Area
Possible Cause Remedy
Unit does
not
operate.
Self-Diagnostic
Codes
(WMC)
Buzzer
Pattern
User
Mode
Service
Mode
*1 : To RESET the controller, press RESET button, then press ON/OFF button.