Rheem 862 27 Series User Manual

TM049 27L Continuous Flow Service Instructions
REV AL – Issued April 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed “uncontrolled”.
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Fault Diagnosis Sequence
NOTE: The bars are displayed for approx 10 seconds
Are two red bars displayed on
LED1 (OK monitor)?
Follow the ‘Power Supply Fault
Finding’ flow chart
NO
Is an error code displayed?
YES
Follow the fault finding flow chart
for the error code displayed
YES
Open a hot tap
NO
Did the fan commence
operation?
Follow the ‘No Error Code Fault
Finding’ flow chart
NO
Is an error code displayed?
YES
Follow the fault finding flow chart
for the error code displayed
YES
Follow the fault finding flow chart
for the error code displayed
Does the burner light
NO
Is an error code displayed? NO
NO
Ignition Retry
Close the hot tap
Is an error code displayed?
YES
YES
NO
Is an error code displayed?
Follow the fault finding flow chart
for the error code displayed
YES
Heater operation appears to be
normal
NO
Turn on power to the water heater.
YES

Rheem 862 27 Series Specifications

General

Brand	Rheem
Model	862 27 Series
Category	Water Heater
Language	English