Difference between revisions of "Mutli Plus ODU Drive Board Troubleshooting"

From Technical Support Wiki
Jump to: navigation, search
(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...")
 
 
(One intermediate revision by the same user not shown)
Line 109: Line 109:
 
|-
 
|-
 
| 12
 
| 12
 +
| PFC Over-current FO output low level
 
|  
 
|  
 +
* System overload, current too large
 +
* Driver board fault
 +
* PFC fault
 +
|
 +
* Check the system
 +
* Change the driver board
 +
* Change PFC
 +
|-
 +
| 13
 +
| Inverter over current
 +
|
 +
* System overload; current too large
 +
* Driver board fault
 +
* Compressor oil shortage; weakened crankshaft
 +
* Compressor insulation fault
 +
|
 +
* Check the system
 +
* Change the driver board
 +
* Change the compressor
 +
|-
 +
| 14
 +
| PFC over current
 +
|
 +
* System overload; current too large
 +
* Driver board fault
 +
* PFC fault
 +
|
 +
* Check the system
 +
* Change the driver board
 +
* Change PFC
 +
|-
 +
| 15
 +
| Instantaneous power failure detection
 +
|
 +
* The power supply is not stable
 +
* Instantaneous power failure
 +
* Driver board fault
 +
|
 +
* Check the power supply
 +
* Change the driver board
 +
|-
 +
| 16
 +
| DC voltage is too low
 +
|
 +
* Voltage input too low
 +
* Driver board fault
 +
|
 +
* Check the power supply
 +
* Change the driver board
 +
|-
 +
| 18
 +
| Driver board read EE data error
 +
|
 +
* EEPROM has no data or data error
 +
* EEPROM circuit fault
 +
|
 +
* Change the EEPROM component
 +
* Change the driver board
 +
|-
 +
| 19
 +
| PFC chip receive data fault
 +
| Abnormal communication loop
 +
| Change the driver board
 +
|-
 +
| 20
 +
| PFC soft start fault
 +
| Abnormal PFC drive loop
 +
| Change the driver board
 +
|-
 +
| 21
 +
| The compressor drive chip could not receive data from the PFC chip
 +
| Communication loop fault
 +
| Change the driver board
 +
|-
 
|}
 
|}
 +
Go back to [[ Multi Plus]] page.

Latest revision as of 13:55, 27 September 2019

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 PFC Over-current FO output low level
  • System overload, current too large
  • Driver board fault
  • PFC fault
  • Check the system
  • Change the driver board
  • Change PFC
13 Inverter over current
  • System overload; current too large
  • Driver board fault
  • Compressor oil shortage; weakened crankshaft
  • Compressor insulation fault
  • Check the system
  • Change the driver board
  • Change the compressor
14 PFC over current
  • System overload; current too large
  • Driver board fault
  • PFC fault
  • Check the system
  • Change the driver board
  • Change PFC
15 Instantaneous power failure detection
  • The power supply is not stable
  • Instantaneous power failure
  • Driver board fault
  • Check the power supply
  • Change the driver board
16 DC voltage is too low
  • Voltage input too low
  • Driver board fault
  • Check the power supply
  • Change the driver board
18 Driver board read EE data error
  • EEPROM has no data or data error
  • EEPROM circuit fault
  • Change the EEPROM component
  • Change the driver board
19 PFC chip receive data fault Abnormal communication loop Change the driver board
20 PFC soft start fault Abnormal PFC drive loop Change the driver board
21 The compressor drive chip could not receive data from the PFC chip Communication loop fault Change the driver board

Go back to Multi Plus page.

Retrieved from "https://airconint.com/wiki/index.php?title=Mutli_Plus_ODU_Drive_Board_Troubleshooting&oldid=2025"