Drive Fault Code (3.0/3.5Hp) - Friedrich FPHFR9A3A Service & Parts Manual

Drive fault code (3.0/3.5HP)

code
1 Inverter DC voltage overload fault
2 Inverter DC low voltage fault
3 Inverter AC current overload fault
4 Out-of-step detection
Loss phase detection fault (speed
5
pulsation)
Loss phase detection fault (current
6
imbalance)
7 Inverter IPM fault (edge)
8 Inverter IPM fault (level)
9
10
11 PFC power detection of failure
PFC overload current detection of
12
failure.
13 DC voltage detected abnormal .
PFC LOW voltage detected
14
failure.
AD offset abnormal detected
15
failure.
16 Inverter PWM logic set fault.
17
Inverter PWM initialization failure
18
19
20 Temperature abnormal.
Shunt resistance unbalance
21
adjustment fault
22 Communicati on failure.
23 Motor parameters setting of failure Initialization is abnormal.
25 EE data abnormal
26 DC voltage mutation error
27 D axis current control error
28 Q axis current control error
Saturation error of d axis current
29
control integral
Saturation error of q axis current
30
control integral
131
TROUBLESHOOTING
Fault escription
1. Power supply input is too high
2. Driver board fault.
1. Compress or phas e lost
2. Bad driver board components
3. The compress or insulation fault.
1. System overload or current
2.
3.
4. The compress or insulation fault.
1. The power supply is not stable;
2. Instantaneous power off;
3. Driver board failure.
1. System overload, current is
2. Driver board fails;
3. PFC fails.
1. Input voltage is too high or too
2. Driver board fails.
Driver board fails.
1. Communicati on wire connect ion
2. Driver board fails;
3. Contro l board fails.
Driver board EEPROM is abnormal 1. Change EEPROM
1. Power input chang es suddenly
2. Driver board fails.
1. System overload , phas e current
2. Driver board fails.
1. System overload s, phas e
2. Driver board fails.
1.
2.
3. Driver board fails.
1. System overload suddenly;
2. Compress or parameter is
3. Driver board fails.
Possible reasons for bnormality
or too low;
overload;
Driver board fault.
Compress or oil shortage,
serious wear of cranks haft ;
too high;
low;
is not proper;
is too high;
current is too high
System overload suddenly;
Compress or parameter is
not suitable;
not suitable;
How to eal ith
1. Check power supply ；
2. Cha nge driver board.
1. Check compre ssor wire
connect ion;
2. Cha nge the driver board ;
3. Cha nge compressor.
1. Check the system.
2. Cha nge the driver board;
3. Cha nge the compressor;
4. Cha nge the compressor.
1. Chec k the pow er supply.
2. No need to deal with .
3. Cha nge the driver board.
1.Check the system;
2.Change the driver board;
3.Change the PFC.
1. Chec k the pow er supply;
2. Cha nge the driver board.
Change the driver board.
1. Chec k the wiring;
2. Change the driver board ;
3. Change the control board.
Reset the power supply.
2. Change the driver board.
1.Chec k power supply , to provide
stable power supply ;
2.Change driver board.
1. Chec k system to see if it works
normally.
2. Chec k stop valve to see if it is
open;
3. Change the driver board.
1. Chec k system to see if it works
normally.
2. Chec k stop valve to see if it is
open;
3. Change the driver board.
1. Chec k system to see if it works
normally.
2. Chec k stop valve to see if it is
open;
3. Change the driver board.
1. Chec k system to see if it works
normally.
2. Chec k stop valve to see if it is
open;
3. Change the driver board.