Friedrich Breeze Series User Manual

90 PB
TROUBLESHOOTING
Diagnostic Codes -Drive Faults 24-36k
Fault
code
Fault description Possible reasons for abnormality How to deal with
1 Inverter DC voltage overload fault
1. Power supply input is too high or too low;
2. Driver board fault.
1. Check power supply
2. Change driver board.
2 Inverter DC low voltage fault
3 Inverter AC current overload fault
4 Out‑of‑step detection
1. Compressor phase lost
2. Bad driver board components
3. The compressor insulation fault.
1. Check compressor wire connection;
2. Change the driver board;
3. Change compressor."
5 Loss phase detection fault (speed pulsation)
6 Loss phase detection fault (current imbalance)
7 Inverter IPM fault (edge)
1. System overload or current overload;
2. Driver board fault;
3. Compressor oil shortage, serious wear of
crankshaft;
4. The compressor insulation fault.
1. Check the system.
2. Change the driver board;
3. Change the compressor;
4. Change the compressor.
8 Inverter IPM fault (level)
9 PFC_IPM IPM fault (edge)
10 PFC_IPM IPM fault (level)
11 PFC power detection of failure
1. The power supply is not stable;
2. Instantaneous power off;
3. Driver board failure.
1. Check the power supply.
2. No need to deal with.
3. Change the driver board.
12 PFC overload current detection of failure.
1. System overload, current is too high;
2. Driver board fails;
3. PFC fails.
1. Check the system;
2. Change the driver board;
3. Change the PFC.
13 DC voltage detected abnormal .
1. Input voltage is too high or too low;
2. Driver board fails.
1. Check the power supply;
2. Change the driver board.
14 PFC LOW voltage detected failure.
15
AD offset abnormal detected
failure.
Driver board fails. Change the driver board.
16 Inverter PWM logic set fault.
17 Inverter PWM initialization failure
18 PFC_PWM logic set fault.
19 PFC_PWM initialization fault.
20 Temperature abnormal.
21 Shunt resistance unbalance adjustment fault
22 Communication failure.
1. Communication wire connection is
incorrect,
2. Driver board fails;
3. Control board fails.
1. Check the wiring;
2. Change the driver board;
3. Change the control board.
23 Motor parameters setting of failure Initialization is abnormal. Reset the power supply.
26 DC voltage mutation error
1. Power input changes suddenly
2. Driver board fails."
1. Check power supply, to provide stable
power supply;
2. Change driver board.
27 D axis current control error
1. System overload, phase current is too high;
2. Driver board fails.
1. Check system to see if it works normally.
2. Check stop valve to see if it is open;
3. Change the driver board.
28 Q axis current control error
1. System overloads, phase current is too high
2. Driver board fails."
1. Check system to see if it works normally.
2. Check stop valve to see if it is open;
3. Change the driver board.
29
Saturation error of d axis
current control integral
1. System overload suddenly;
2. Compressor parameter is not suitable;
3. Driver board fails.
1. Check system to see if it works normally.
2. Check stop valve to see if it is open;
3. Change the driver board.
30
Saturation error of q axis
current control integral
1. System overload suddenly;
2. Compressor parameter is not suitable;
3. Driver board fails.
1. Check system to see if it works normally.
2. Check stop valve to see if it is open;
3. Change the driver board.
35 EE data abnormal Driver board EEPROM is abnormal
1. Change EEPROM
2. Change the driver board.

Friedrich Breeze Series Specifications

General

Brand	Friedrich
Model	Breeze Series
Category	Heat Pump
Language	English