Movincool CMW30 - Page 56

Repair Section
56
LCD
displays
self-
diagnostic
codes.
E11 E11 4 Relay board communication
error occurs for 40 seconds.
Check all the wire connections on the
relay board.
RESET the controller
*1
.
If the error still occurs, replace the relay
board.
Initialize the fan motor. (See page 59.)
E12 E14 4 Excessive current from the STI
module to the compressor.
RESET the controller
*1
twice or three
times. If the error still occurs, replace
the compressor.
E15 4 Compressor lock. RESET the controller
*1
twice or three
times. If the error still occurs, replace
the compressor.
E16 4 Compressor wires are
disconnected.
• Reconnect and check the compressor
wires.
• Reconnect and check the relay board
wires.
RESET the controller
*1
.
E17 4 Excessive compressor load. RESET the controller
*1
twice or three
times. If the error still occurs, replace
the compressor.
Excessive compressor
startup differential pressure.
Condition
Self-Diagnostic
Codes
(WMC)
Buzzer
Pattern
Possible Cause Remedy
Unit does
not operate.
User
Mode
Service
Mode
*1 : To RESET the controller, press RESET button, then press ON/OFF button.