MovinCool CM25 Service Manual - Manual (Page 45)

Repair Section
45
E09 E09
Evaporator fan motor
locked
4

ON
When a fan motor speed of
50 rpm or less is detected
four times within 10 seconds
after the fan motor is started.
E10 E10
Condenser fan motor
locked
   
OL OL Compressor overload   
When compressor overload
relay is activated.
E11 E11
STI module
communication error
  
When a communication failure
between the STI module and
microcomputer on the relay
board is detected for at least 40
seconds.
E12
E14
Compressor over
current
 
When compressor current is
detected at or above 35.9 A.
E15
Compressor lock
failure
  
During the operational check
when the compressor is
stopped, no change in position
is detected.
E16
Compressor phase
interruption abnormality
 
When one phase is detected
as 0 A.
E17
Motor position
detection abnormality
 
When an abnormality in the
compressor motor position is
detected.
E13
E18 Input overcurrent 
When STI module input
current that exceeds the
specified value is detected.
E19
Power device
temperature
abnormality
  
When STI module
temperature that exceeds the
specified value is detected.
E20
DC voltage
abnormality
 
When a DC voltage or
current that is at or below the
specified value, or at or
above the specified value is
detected.
E21
Power device damage
abnormality
 
When a compressor startup
current/voltage that is at or
below the specified value is
detected.
E22 Circuit malfunction 
When a short or open in the
STI internal current/voltage
detection circuit is detected.
Self-Diagnostic
Code
Cause
Alarm
Pattern
Relay Board
LED (Red)
Warning
Signal
Output
Detection Contents
User
Mode
Service
Mode
1 2 3 4 5 6