GK600E User Manual Chapter 7 Troubleshooting
- 113 -
Fault
code
Fault
display
Fault description
Causes
Solutions
18
oH3
Module
temperature
detection
disconnected
Temperature sensor
not w ell connected
w ith socket
Pull out and re-insert
Ambient temperature
is too low
Raise ambient
temperature
Module detection
circuit failed
Seek services
Thermistor failed
Seek services
20
EC1
Option board
connection
abnormal
Loose or poor option
board connection
Pull out and reinsert
Option board
abnormal
Seek services
Control board
abnormal
Seek services
22
dLC
Abnormal flat
cable
connection of
control board
Loose or poor drive
line connection
Pull out and re-insert after
complete pow er off
Drive board abnormal
Seek services
Control board
abnormal
Seek services
23
TEr
Function
conflict
betw een
analog
terminals
Analog input terminals
are set to the same
function
Do not set analog inputs to
the same function
24
PEr
External
equipment
error
External fault terminal
is enabled
Check the status of
external fault terminal
Stall condition lasts too
long
Check if the load is
abnormal
26
to2
Consecutive
run time
attained
"Consecutive run time
attained" enabled
See specification of Group
E0
27
to3
Cumulative run
time attained
"Cumulative run time
attained" enabled
See specification of Group
E0
28
SUE
Pow er supply
abnormal at run
DC bus voltage
fluctuation is too big or
the pow er is lost
Check input pow er grid
voltage and load