GMV Heat Recovery DC Inverter VRF
62
—
Meaning
Progress
Code
Display
Code
Display
Code
Display
06_outdoor unit
components
db ON 06 ON
Corresponding
error code
ON
The system detected that
there’s fault for outdoor
Refer to the part of “Troubleshooting” for the corresponding troubleshooting method.
Step 10: The unit debugging step 07 is “indoor unit components inspection”.
If there is no abnormality in the detection, the display is as below, and then it automatically enters
the next step of detection.
—
Meaning
Progress
Code
Display
Code
Display
Code
Display
07_indoor unit
components
inspection
db ON 07 ON OC ON
The system detected
that there’s no fault for
indoor unit’s parts. Then
it will automatically
enter into the next step.
If an abnormality is detected, it will stay in the current state and manual troubleshooting is required.
The corresponding faults are as below:
—
Meaning
Progress
Code
Code Display status
Display
07_indoor unit
components
db ON 07 ON
XXXX/
correspon
ON
The system detected that
there’s fault for indoor
XXXX indicates the engineering no. of fault indoor unit. 3s later, the corresponding error code will
be displayed. For example, if d5 fault occurs for No.100 indoor unit, LED3 displays as below: 01 (2s
later) 00(2s later) d5, and they will display like that circularly.
Refer to the part of “Troubleshooting” for the corresponding troubleshooting method.
Step 11: The debugging step 08 is “compressor preheat confirmation”.
If the preheat time has reached for 2h, the display is as below. Then it will enter into the next step
for inspection.
—
Meaning
Progress
Code
Display
Code
Display
Code
Display
08_compressor
preheat confirmation
db ON 08 ON OC ON
Compressor’
has reached 2h, and then
it will enter into the next
If the preheat time for compressor hasn’t reached 2h, there will be abnormal phenomenon. The
display is as below.
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