Infinity REU-3203W
- 22 -
©Rinnai
Fault Finding Table
Code on
Controller
Fault
Flow
Chart
No.
Action
‘Component
Check’ and
‘Circuit Value’
Items
Dismantling
Item
Wiring
Diagram
Item
Maintenance
Monitor Item
03
Power
interruption
during
Bathfill.
Water will not
flow when
power
restored.
1. Turn off all hot water
taps.
1. Press the ON/OFF
button on a controller
twice.
10
Combustion
fan current
too high. Unit
operates, then
stops.
6, 18
1. Check blockage of air
intake/flue outlet.
2. Check combustion fan.
1
5
C
1
5 and 9
11
No ignition.
Unit stops
without flame
igniting
21, 17,
19
1. Check gas supply
2. Check sparker unit
2
4
J
6
3. Check gas valves
3
8 and or 9
F
3
, I
1
, I
2
,
I
3
, I
4
12
Flame Failure
/ Earth
Leakage
21, 18,
19
1. Check gas supply
2. Check flame rod
4
A
1
3. Check earth wire lead
5
J
7
, PCB,
Power
Supply
Lead
4. Check remote control
15
H
1
06
14
Thermal fuse
and/or
overheat
switch
activated.
Unit operates,
then stops.
19
1. Check thermal fuse
6
11
F1
2. Check overheat switch
7
11
F2
IMPORTANT- If thermal fuse or overheat switch were faulty :
a. Check heater for damage
b. Confirm “Gas Type” and “Combustion” dip switch settings (page 18).
c. Confirm test point pressures (page 39).
16
Over
temperature
warning. Unit
operates, then
stops.
19, 20
1. Confirm “Gas Type”
and “Combustion” dip
switch settings (page 18)
2. Confirm test point
pressure (page 39)
3. Check gas valves
3. a) - 3. d)
8 and or 9
F
3
, I
1
, I
2
,
I
3
, I
4
4. Check water flow
sensor
8
3
E
3
01
5. Check water flow servo
9
3
B
2
07
6. Check heat exchanger
outlet temperature
thermistor
10
6
E
2
11
7. Check hot water outlet
temperature thermistor
11
6
E
1
02
32
Outlet water
thermistor
flow
1, 19
Check hot water outlet
thermistor
11
6
E
1
02
33
Heat
exchanger
thermistor
error
1, 19
Check heat exchanger
thermistor
10
6
E
2
11
52
Modulating
solenoid
valve fault.
Unit stops
without flame
ignition.
12, 19
Check modulating
solenoid valve
3. e)
9
F
3
61
Combustion
fan rotation
error
6, 18,
21
Check combustion fan
1
5
C
1
05 and 09
Содержание INFINITY REU-3203W
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