LG DLEX3900WDryer
Error Code InS
Installation test mode active (duct/exhaust check)
Moderate
Address soon - your appliance may not work properly
Also displayed as: InS
How to Fix
- 1
InS confirms installation test mode is active.
- 2
Press START/PAUSE to begin the duct check test.
- 3
Monitor Flow Sensing LED - if LED turns on at end of cycle, exhaust system is restricted.
- 4
End displays when test is complete.
Other Error Codes for DLEX3900W
tE4
Steam generator thermistor open or shorted
E5
Water supply pump failure - pump valve AD value below 10 in test mode
EE
EE PROM operation abnormal
d75
Ductwork approximately 75% blocked - exhaust restriction detected
HS
Humidity sensor failure
PF
Power failure - house fuse blown or circuit breaker tripped
nP
No power / power supply incorrect
d80
Ductwork approximately 80% blocked