151
MODBUS registers
Error
code
Description
Modbus
Code
Hd
Communication error between slave and master (this error occurs when several
units are connected in parallel)
24
HE
Communication error between hydraulic module and hydraulic module adapter
board
23
HF Unit EEPROM failure
43
HH H6 failure 10 consecutive times in 120 minutes (reset after shut down)
48
HP
Cooling mode low pressure protection (in 1 hour, low pressure is below 0.6 MPa
three consecutive times, can be reset automatically)
49
C7 Heat sink over-temperature protection 65
bH PED board failure
143
F1 DC bus low voltage protection 142
L0 DC compressor module error 112
L1 DC bus low voltage protection 116
L2 DC bus high voltage protection 134
L4 MC/synchronisation/closed circuit error 135
L5 Zero speed protection
136
L7 Phase sequence error protection 138
L8 Protection for when the preceding and following speed variation is >15 Hz 139
L9
Protection for when the dierence between the set speed and the operating
speed is >15 Hz
141
C0 multiple units configured as Master in the M/S network. 58
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