Operation and use
Frequency conversion board fault table:
Protection/fault
Fault
display
Reason
Elimination methods
Drv1 MOP alarm
F01
MOP drive alarm
Recoveryafter the 150s
Inverter offline
F02
Frequency conversion board and main
board communication failure
Checkthe communicationconnection
IPM protection
F03
IPM modular protection
Recoveryafter the 150s
Comp. Driver Failure
F04
Lack of phase, step or drive hardware
damag
Checkthe measuringvoltage check
requencyconversion board hardware
DC Fan Fault
F05
Motor current feedback open circuit or
short circuit
Checkwhether currentreturn wires
connectedmotor
IPM Overcurrent
F06
IPM Input current is large
Checkand adjustthe current
measurement
Inv. DC Overvoltage
F07
DC bus voltage>Dc bus over-voltage
protection value
Checkthe input voltagemeasurement
Inv. DC Lessvoltage
F08
DC bus voltage<Dc bus over-voltage
protection value
Checkthe input voltagemeasurement
Inv. Input Lessvolt.
F09
The input voltage is low, causing the
inputcurrent is high
Checkthe input voltagemeasurement
Inv. Input Overvolt.
F10
The input voltage is too high, more than
outage protection current RMS
Checkthe input voltagemeasurement
Inv. Sampling Volt.
F11
The input voltage sampling fault
Checkand adjustthe current
measurement
Comm. Err DSP-PFC
F12
DSP and PFC connect fault
Checkthe communicationconnection
Input Over Cur.
F26 The equipment load is too large
PFC fault
F27
The PFC circuit protection
Check the PFC switch tube
short circuit
or not
IPM Over heating
F15
The IPM module is overheat
Checkand adjustthe current
measurement
Weak Magnetic Warn
F16
Compressor magnetic force is not
enough
Inv. Input Out Phase
F17
The input voltage lost phase
Checkand measurethe voltage
adjustment
IPM Sampling Cur.
F18
IPM sampling electricity is fault
Checkand adjustthe current
measurement
Inv. Temp. Probe Fail
F19
Sensor is short circuit or open circuit
Inspectand replacethe sensor
Inverter Overheating
F20
The transducer is overheat
Checkand adjustthe current
measurement
Inv. Overheating Warn
F22 Transducer temperature is too high
Checkand adjustthe current
measurement
Comp. OverCur. Warn
F23
Compressor electricity is large
The compressorover-current
protection
Input Over Cur. Warn
F24 Input current is too large
Checkand adjustthe current
measurement
EEPROM Error Warn
F25 MCU error
Checkwhether the chip is damaged
Replacethe chip
V15V over/undervoltage fault
F28
The V15V is overload or undervoltage
Check the V15V input voltage in range
13.5v~16.5v or not
25
Содержание 78542
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