Shihlin electric SF-GT Series User Manual

Appendix 2 Alarm Code List
Alarm Code List
217
Code Screen Display Cause Troubleshooting
THT
Overheated
IGBT module
IGBT module thermal
accumulation relay operation
Avoid prolonged inverter operation
when overloaded.
THN
Overheated
motor
Electronic thermal relay
operation
1. Check whether the set value
of P.9
is correct or not
(according to the externally
connected motor).
2. Reduce load.
FAN
Cooling fan
alarm
Cooling fan failure
1. The cooling fan is
damaged. Please replace it
with a new fan.
2. Please clean the fan if it is
blocked by foreign substances.
3. Check if fans wiring is
broken/loose, or replace it with
a new fan.
OHT
External thermal
relay operation
External thermal relay
operation
1. Check whether the capacity of
the external thermal relay and
of the motor coordinates well.
2. Reduce the load.
OPT
Abnormal
peripheral
devices
1. Abnormal communication;
Exceeding the number of
communication retries
2. Interrupted
communication;
Exceeding the permitted
communication time
interval
Correctly set the communication
parameters.
EEP
Abnormal
memory
ROM malfunction
Send the inverter back to the
factory if this type of
alarm happens
frequently.
PID
Abnormal PID
1. Insufficient inverter and
motor capacity
2. PID target value or
feedback value set
unreasonably
3. Peripheral devices
malfunction
1. Enlarge the inverter and motor
capacity.
2. Check the feedback gain
setup. Reset the target value
according to the feedback.
3. Check the system’s peripheral
feedback devices (e.g.,
sensors, potentiometer) and
whether the wiring is correct.

Shihlin electric SF-GT Series Specifications

General

Brand	Shihlin electric
Model	SF-GT Series
Category	Inverter
Language	English