Noritz Support Error Code Index
GQ-C60 Series · Pre-Mix 2nd

Error Code 42

Water Flow Sensor (Recirculation) abnormality

Step 1
Step 1
Normal Abnormal
Step 2
Step 2
Return to Start
Step 3
Step 3
Normal Abnormal
Step 4
Step 4
Return to Start
Step 5
Step 5
Return to Start
Step 1