Rinnai HD250E REU-V3232WC, Руководство по обслуживанию

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Infinity REU-V3232W /HD250E REU-V3232WC - 23 - Issue 1 - 8/09/03 ©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 20).
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 20)
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
65
Water flow
control device
error. Water
flow is not
controlled.
Water
temperature
too low. 19 Check water flow servo 9 3 B
2
07