Movincool CMW30 - Page 49

Repair Section
49
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.
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 input over
current

When excessive current from
the STI module to the
compressor is detected.
E15
Compressor lock
failure
 
When the compressor motor is
locked and its operational
checking detects no change in
the compressor rotation position.
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 rotation
position is detected.
E13
E18
STI module input over
current

When excessive current from
the power source to the STI
module 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.
E23 E23
Evaporator fan motor
over rotation
abnormality

When an evaporator fan
motor rotates at speed 1150
rpm or above.
Self-Diagnostic
Code
Possible Cause
Alarm
Pattern
Relay Board
LED (Red turns on)
Warning
Signal
Output
Detection Contents
User
Mode
Service
Mode
1 2 3 4 5 6