Heat Controller VMC30SB-1/VMH30SB-1 用户手册
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Only for training and service purposes
Part 4 Trouble Shooting
7. Self-diagnosis Function
■ Error Indicator
• The error indicator assists with self-diagnoisis of the air conditioner and identifies if there is any trouble.
• The error indicator location is near the ON/OFF button by the LED on the evaporator and will signal as shown in
• The error indicator location is near the ON/OFF button by the LED on the evaporator and will signal as shown in
the table below.
• If more than two errors occur simultaneously, primarily the highest severity error code is displayed.
• After error an occurrence, the error is cleared, the error LED is also cleared, simultaneously.
• To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
• The error codes are different for various models
• After error an occurrence, the error is cleared, the error LED is also cleared, simultaneously.
• To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
• The error codes are different for various models
■ 9, 12kBtu/h Model
1 time
1time
3 sec
2 times
2 times
3 sec
4 times
4 times
3 sec
5times
5times
3 sec
6times
6times
3 sec
7times
7times
3 sec
3 sec
3 sec
2 times
3 sec
2 times
3 sec
1time
3 sec
1time
3 sec
1time
3 sec
1
2
4
5
6
7
Error Indicator
Error
Code
Cause of Error
Display
Indoor Outdoor
Indoor
Operation
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
• Indoor Temp. sensor error
- Sensor open or short
- Sensor open or short
•
Heat Sink sensor error
- Sensor open or short
- Heat Sink temp is over 95˚C
(203˚F)
- Heat Sink temp is over 95˚C
(203˚F)
• Communication error
• Outdoor Temp. sensor error
- Sensor open or short
- Sensor open or short
• DC Peak error
• Over current error (CT2)
ON
ON
ON
OFF
SHUT
DOWN
SHUT
DOWN
9times
9times
3 sec
10 times 10 times
3 sec
10
ON
• Outdoor fan lock error
• Discharge pipe thermistor is
short or open.
short or open.
(BLDC fan model only)
OFF
8times
8times
3 sec
8
• Indoor fan lock error
(BLDC fan model only)
(BLDC fan model only)
OFF
9
(4 LED Model)