TM090 12-26 Series II CFGWH Service Instructions
REV AB – Issued February 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 i.e. to view the
current temperature being measured by the outlet thermistor select 5Y, refer to page 30 for
the procedure to display maintenance information.
Maintenance Table
Temp. adjust key (Left digit in LED display (Numerical)
Temp Adjusting key
Right digit in LED
display
(Alphabetical)
Error Code for the previous 8 faults
Electrification
Years **Years
Sequence number of the previous 8 faults
Total combustion
starts X 10,000
Total combustion operations since last error X 10,000 hours
Total combustion
starts X 100
Total combustion operations since last error X 100 hours
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
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
Power for P.G.F.R
Valve
%
Opening angle of
Water Volume Control
motor in degrees
X10
Remote control
connection
status ON
: 1
OFF: 0
Fan
Motor
current
value
-
Remote control
connection status
ON: 1 OFF: 0
Power for
P.G.F.R.
Valve x 10mA
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