Specifications
TM002 Integrity 18 & 20L Service Instructions REV: E
D.O.I: 7/11/2007
This document is stored and maintained electronically by Service. All printed copies not bearing this statement in RED are deemed “uncontrolled”
26
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
27 for the procedure to display maintenance information.
Maintenance Table
Left digit in LED display (Numerical)
0 1 2 3 4 5 6 7 8 9
E Null Error Code for the previous 8 faults Null
F Null Sequence number of the previous 8 faults Null
C
Total combustion
starts X 10,000
Total combustion operations since last error X 10,000 hours Null
D
Total combustion
starts X 100
Total combustion operations since last error X 100 hours Null
H
Total combustion
period X 1000 hrs
Total combustion period since last error X 1,000 hours Null
J
Total combustion
period X 10 hrs
Total combustion period since last error X 10 hours Null
Y
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
Fan speed X100 RPM
Power for P.G.F.R
Valve
Null
Opening angle of
Water Volume Control
motor in degrees
Right digit in LED display (Alphabetical)
A
Fan motor current curve
(average)
Fan Motor current curve
- after tap closure
Fan Motor current curve
-present combustion
Fan Motor Current
Null Null
Bath fill flow volume drawn
Litres /minute X 10 (20L
models with -B suffix in model
number only e.g. 871020NF-B)
Null Null
Sequence number
Flame Sensor Status
Model
18 & 20L
R0y Information 00 01 02 03
Flame Sensor 1 X O X O
Flame Sensor 2 X X O O
X = Flame sensor is not detecting flame. O = Flame sensor is detecting flame