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4. USAGE
4.3.2 Frequency conversion board fault table:
Protection/fault
Drv1 MOP alarm
Inverter offline
IPM protection
Comp. Driver Failure
DC Fan Fault
IPM Overcurrent
Inv. DC Overvoltage
Inv. DC Lessvoltage
Inv. Input Lessvolt.
Inv. Input Overvolt.
Inv. Sampling Volt.
Comm. Err DSP-PFC
Input Over Cur.
PFC fault
IPM Over heating
Weak Magnetic Warn
Inv. Input Out Phase
IPM Sampling Cur.
Inv. T emp. Probe Fail
Inverter Overheating
Inv. Overheating Warn
Comp. OverCur. Warn
Input Over Cur. Warn
EEPROM Error Warn
V15V over/undervoltage fault
Fault
Reason
F01
MOP drive alarm
Frequency conversion board and main
F02
board communication failure
F03
IPM modular protection
Lack of phase, step or drive hardware
F04
damag
Motor current feedback open circuit or
F05
short circuit
F06
IPM Input current is large
DC bus voltage>Dc bus over-voltage
F07
protection value
DC bus voltage<Dc bus over-voltage
F08
protection value
The input voltage is low, causing the
F09
inputcurrent is high
The input voltage is too high, more than
F10
outage protection current RMS
The input voltage sampling fault
F11
DSP and PFC connect fault
F12
The equipment load is too large
F26
The PFC circuit protection
F27
The IPM module is overheat
F15
Compressor magnetic force is not
F16
enough
The input voltage lost phase
F17
IPM sampling electricity is fault
F18
Sensor is short circuit or open circuit
F19
The transducer is overheat
F20
T ransducer temperature is too high
F22
F23
Compressor electricity is large
F24
Input current is too large
MCU error
F25
The V15V is overload or undervoltage
F28
Elimination methods
Recoveryafter the 150s
Checkthe communicationconnection
Recoveryafter the 150s
Checkthe measuringvoltage check
requencyconversion board hardware
Checkwhether currentreturn wires
connectedmotor
Checkand adjustthe current
measurement
Checkthe input voltagemeasurement
Checkthe input voltagemeasurement
Checkthe input voltagemeasurement
Checkthe input voltagemeasurement
Checkand adjustthe current
measurement
Checkthe communicationconnection
ck th e PF C swit ch tub e sho rt circu it
not
Checkand adjustthe current
measurement
Checkand measurethe voltage
adjustment
Checkand adjustthe current
measurement
Inspectand replacethe sensor
Checkand adjustthe current
measurement
Checkand adjustthe current
measurement
The compressorover-current
protection
Checkand adjustthe current
measurement
Checkwhether the chip is damaged
Replacethe chip
Check the V15V input voltage in range
13.5v~16.5v or not
16
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