MovinCool CM25 - Manual (Page 55)

55
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.
E01 Defective RTS1
thermistor
(short or open)
Replace the wall
mounted controller.
To reset: Press
RESET button.
E02 2 Improper RTS2
thermistor
connection
Check connection.
To reset: Press
RESET button.
Defective RTS2
thermistor
(short or open)
Replace RTS2
thermistor.
To reset: Press
RESET button.
E03 2 Loose ODS
thermistor
connection
Check connection.
To reset: Press
RESET button.
Defective ODS
thermistor
(short or open)
Replace ODS
thermistor.
To reset: Press
RESET button.
E04 2 Loose CTS1
thermistor
connection
Check connection.
To reset: Press
RESET button.
Defective CTS1
thermistor
(short or open)
Replace CTS1
thermistor.
To reset: Press
RESET button.
E05 2 Loose CTS2
thermistor
connection
Check connection.
To reset: Press
RESET button.
Defective CTS2
thermistor
(short or open)
Replace CTS2
thermistor.
To reset: Press
RESET button.