Fault Finding Guide - Rheem 3 Owner's Manual And Installation Instructions

It is strongly recommended that any REMEDY be carried out by a qualified service
*
person
*
Symptom
The unit does not
1
fill with water
The unit fills with
2 water to low level
and does not heat
The unit boils
3
continually
4 The unit overflows

FAULT FINDING GUIDE

Rheem Boiling Water Unit - Fault Finding Guide
Possible Cause
There Is No Power Supply
There Is No Water Supply
The Filter Is Blocked
Electronic Controller Failure
Solenoid Valve Failure
Water Filter Is Blocked
Thermal Cut Out Has Tripped
Heating Element Failure
Electronic Controller Failure
Thermistor Failure
Low Atmospheric Air Pressure
Electronic Controller Failure
Thermistor Failure
Incoming Water Pressure Is Too
High
Solenoid Valve Failure
Level Probe Failure
Also refer to Error Code Table on Page 11
Check The Electrical Supply
Check The Water Supply
Check The Inlet Strainer, Clean Or Replace
Test & Replace The Electronic Controller
Check Resistance Of Solenoid, Replace If
Broken
Check The Filter, Replace If Blocked
Reset Thermal Cut Out
If The Heating Element Is Correctly Wired,
Check The Element Resistance. Replace If
Broken
Test & Replace The Electronic Controller
Replace Thermistor
Recalibrate The Unit
Test & Replace The Electronic Controller
Replace Thermistor
Reduce Incoming Water Pressure
Turn The Unit Off. If Water Still Flowing
Replace Solenoid Valve
• Clean The Level Probe
• Check Condense Not Bridging Probe
Check Angle Of High Level Probe
•
• Replace Probe
24
Remedy