What does error code d75 mean on a LG DLEX3900B?

Ductwork approximately 75% blocked - exhaust restriction detected Lint buildup in duct; Crushed transition duct; Excessive duct length

How do I fix error code d75 on my LG DLEX3900B?

1. undefined: Clean the exhaust system. 2. undefined: Check vent hood for damage or lint clogging. 3. undefined: Verify duct length conforms to specifications.

LG DLEX3900BDryer

Error Code d75

Ductwork approximately 75% blocked - exhaust restriction detected

Moderate

Address soon - your appliance may not work properly

Also displayed as: d75

What This Means

Lint buildup in duct; Crushed transition duct; Excessive duct length

How to Fix

1
Clean the exhaust system.
2
Check vent hood for damage or lint clogging.
3
Verify duct length conforms to specifications.

Other Error Codes for DLEX3900B

tE4

Steam generator thermistor open or shorted

Water supply pump failure - pump valve AD value below 10 in test mode

EE PROM operation abnormal

InS

Installation test mode active (duct/exhaust check)

Humidity sensor failure

Power failure - house fuse blown or circuit breaker tripped

No power / power supply incorrect

d80

Ductwork approximately 80% blocked

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