MovinCool CM25 - Manual (Page 56)

56
TROUBLESHOOTING (cont.)
Condition
Checking Area
Possible Cause Remedy
Self-
Diagnostic
Codes
(Wall
mounted
controller)
Buzzer
Pattern
Unit
does
not
operate
at all.
LCD
displays
self-
diagnostic
codes.
E06 2 Loose CTS3
thermistor
connection
Check connection.
To reset: Press
RESET button.
Defective CTS3
thermistor
(short or open)
Replace CTS3
thermistor.
To reset: Press
RESET button.
E08 Wall mounted
controller lost
communication
with the unit for
more than 10
seconds.
Check for connection
or interference.
To reset: Press
RESET button.
E09 4 Evaporator fan
motor is locked.
Check for any foreign
object which may
cause fan lock.
To reset: Press
RESET button.
E10 4 Condenser fan
motor is locked.
Check for any foreign
object which may
cause fan lock.
To reset: Press
RESET button.
OL 4 Compressor
overload protection
is activated by
refrigerant leakage.
Repair of the leaking
section and recharge
of the correct amount
of refrigerant are
required. Contact
your MovinCool
reseller or a qualified
technician.
To reset: Press
RESET button.
E11 4 Relay board
communication
error occurs for 40
seconds.
Check all wire
connection on the
relay board.
To reset: Press
RESET button.