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”.
MAINTENANCE INFORMATION
Information relating to both the current and past operation of the water heater can be
obtained from the memory; this information is referred to as the maintenance information.
The table below details the information that can be recalled from the memory.
Left digit in LED display (Numerical) - Use DOWN (▼)arrow key on Remote Control
Right digit (Alphabetical)
– Use UP (►) arrow key on Remote Control
Error Code for the previous 8 faults
Sequence number of the previous 8 faults
Total combustion
starts X 10,000
Total combustion operations since last error X 10,000
Total combustion
starts X 100
Total combustion operations since last error X 100
Total combustion
period X 1000 hrs
Total combustion period since last error X 1,000 hours
Total combustion
period X 10 hrs
Total combustion period since last error X 10 hours
Flame sensor status
(See table below)
Water Flow Sensor
Litres / minute
Ambient Air Thermistor
temp. ºC
Water Inlet Thermistor
temp. ºC
Heat Exchanger
Thermistor temp ºC
Hot Water Outlet
Thermistor temp ºC
Eg: to view the current temperature being measured by the outlet thermistor select 5Y. Refer
to page 31 for the procedure to display maintenance information.
Flame Sensor Status
The chart below explains the maintenance information displayed at cell 0y:
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