Mutli Plus ODU Drive Board Troubleshooting - Revision history

ACINT at 13:55, 27 September 2019

2019-09-27T13:55:20Z

ACINT at 13:54, 27 September 2019

2019-09-27T13:54:53Z

ACINT: Created page with "{| class="wikitable" ! Fault Code ! Fault Description ! Possible Reason for Fault ! Possible Remedies |- | 1 | Q axis current detection fault | * Compressor wire connection i..."

2019-09-27T13:23:41Z

Created page with "{| class="wikitable" ! Fault Code ! Fault Description ! Possible Reason for Fault ! Possible Remedies |- | 1 | Q axis current detection fault | * Compressor wire connection i..."

New page

{| class="wikitable"
! Fault Code
! Fault Description
! Possible Reason for Fault
! Possible Remedies
|-
| 1
| Q axis current detection fault
|
* Compressor wire connection is loose
* Bad driver board components
* Compressor start load is too large
* Compressor demagnetization
* Compressor oil shortage, weakened crankshaft
* Compressor insulation fault
|
* Check the compressor wire connection
* Change the driver board
* Turn the machine one after pressure rebalancing
* Change compressor
|-
| 2
| Phase current detection fault
|
* Compressor voltage default phase
* Bad driver board components
* Compressor insulation fault
|
* Check the compressor wire connection
* Change the driver board
* Change the compressor
|-
| 3
| Initialization phase current imbalance
|
* Bad driver board components
|
* Replace driver board
|-
| 4
| Speed estimation fault
|
* Bad driver board components
* Compressor shaft clamping
* Compressor insulation fault
|
* Change the driver board
* Change the compressor
|-
| 5
| IPM FO output fault
|
* System overload or current overload
* Driver board fault
* Compressor oil shortage; Weakened crankshaft
* Compressor insulation fault
|
* Check the air-conditioner system
* Change the driver board
* Change the compressor
|-
| 6
| Communication between driver board and control board fault
|
* Communication wire connection is loose
* Driver board fault
* Main control board fault
|
* Check the communication wire
* Change the driver board
* Change the main control board
|-
| 7
| AC voltage overload
|
* Supply voltage input too high or too low
* Driver board fault
|
* Check the power supply
* Change the driver board
|-
| 8
| DC voltage overload
|
* Supply voltage input too high
* Driver board fault
|
* Check the power supply
* Change the driver board
|-
| 9
| AC voltage imbalance
| Driver board fault
| Replace the driver board
|-
| 10
| The PFC current detection circuit fault before the compressor is on
| Bad driver board components
| Replace the driver board
|-
| 11
| AC voltage supply in outrange
|
* Power supply abnormal; power frequency out of range
* Driver board fault
|
* Check the system
* Change the driver board
|-
| 12
|
|}

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