Rinnai HD250E REU-V3232WC, Руководство по обслуживанию

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Infinity REU-V3232W /HD250E REU-V3232WC - 24 - Issue 1 - 8/09/03 ©Rinnai
71
Solenoid valve
circuit error.
Unit does not
operate. 19 Check gas valves 3 8 and or 9 F
3
, I
1
, I
2
, I
3
,
I
4
72
Flame rod
circuit error.
Unit does not
operate. 19 Check flame rod 4 8 A
1
-
Appliance
does not
operate at all.
No display on
the remote
controllers (if
fitted). - 1. Check power cord
plugged in and supply
turned on. J7
2. Check power supply
voltage. 12 J7
3. Check electrical fuse. 13
4. Check transformer. 14 7 A
2
, A, D
5. Check gas valves 3. a) - 3. d) 8 and or 9 F
3
, I
1
, I
2
, I
3
,
I
4
6. Check sparker unit. 2 4 J
6
7. Check earth leads and
connections. 5 J
7
, PCB and
power
supply lead
8. Check for short circuits.
9. Check remote
controller(s) - if fitted.
16 H
1
06
-
No
combustion
despite remote
control
indicating that
combustion is
occuring - if
remote
controller(s)
fitted) - 1. Check water flow sensor. 8 3 E
3
2. Check flame rod. 4 ?? A
1
3. Check heat exchanger
outlet thermistor. 10 6 E
2
11
4. Check hot water outlet
thermistor. 11 6 E
1
02
5. Check combustion fan. 1 5 C
1
5 and 9
6. Check the sparker unit. 2 4 J
6
7. Check gas valves. 3. a) - 3. d) 8 and or 9 F
3
, I
1
, I
2
, I
3
,
I
4
8. Check thermal fuse. 6 11 F
1
9. Check overheat switch. 7 11 F
2
IMPORTANT - If thermal fuse or overheat switch were faulty:
a) check heater for damage;
b) confirm “Gas Type” and “Combustion” dip switch settings;
c) confirm test point pressure.
-
Combustion
stops during
operation. - 1. Check gas supply
2. Check flame rod
4 8 A
1
3. Check earth leads and
connections. 5 J
7
, PCB and
power
supply lead
-
Cannot adjust
the hot water
temperature
via the
controller(s) -
only if
controller(s)
fitted. - 1. Check hot water outlet
thermistor. 11 6 E
1
02
2. Check heat exchanger
outlet thermistor. 11 6 E
1
02
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 servo. 9 3 B
2
07
5. Check bypass servo. 15 3 B
1
12
-
Anti-frost
heater does not
operate. - 1. Check anti-frost heater
components 16 J
1
, J
3
, J
4
, J
5
, J
8
2. Check frost sensing
switch 17 J
2