Specifications

TM040 16, 18 & 20L Continuous Flow Gas Water Heater Service Instructions
D.O.I: 2/06/2009
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
Right digit in LED display (Alphabetical)
E
Management
Number
Error Code for the previous 8 faults
Management
Number
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
Null
A
Null
Null
Fan detective value
Fan Motor Current
Fan Motor current curve - average
Fan Motor current curve - after tap closure
Fan Motor current curve -present combustion
Null
Null
Sequence number
Flame Sensor Status
Model
All 16, 18 & 20L Models
0y 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