Panasonic U-4LE1E5 Service Manual page 113
Mini vrf system
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Also See for U-4LE1E5:
- Installation instructions manual (224 pages) ,
- Service manual (141 pages) ,
- Operating instructions manual (180 pages)
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3. Mini VRF System Alarm Codes
H03 Compressor CT Sensor (Current Sensor) Unplugged
1.
Error Detection Method
It is judged an error based on the criteria listed below.
•
If 18A or greater is detected when the compressor is stopped (alarm triggered even if the connector is unplugged).
•
If no current is detected even though a compressor is running.
2.
Error Diagnosis
1 Check the
Turn the power on again and run the outdoor unit.
1-1
control
Is alarm occurred after operation?
PC board
5 - 33
Mini VRF SYSTEM
Trouble Diagnosis
Yes
Replace CR board.
No
See what happens.
5
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