Rinnai REU-2018W Service Manual page 38

9) Is main gas solenoid valve (SV
10) Is the change over solenoid (SV
11) Is the change over solenoid valve (SV
Infinity REU-2425W
) normal?
1
If error "11" is displayed, check the main gas
solenoid valve.
p. # Disconnect the main gas solenoid
valve (SV
the resistance at the solenoid
terminals. Normal: 0.9 ~ 1.3 k
If normal, check (q) below.
Faulty: Replace the main gas solenoid
valve.
q. Measure voltage main gas solenoid
valve (SV
Normal: DC80~100V
If normal, proceed to check item 7)
below.
Faulty: Replace the PCB unit.
) operating normally?
2
If error "11" is displayed, check the change
over solenoid valve (SV
r. # Disconnect the main gas solenoid
valve (SV
the resistance at the solenoid
terminals.
Normal: 1.3 ~ 1.9 k
If normal, check (s) below.
Faulty:
solenoid valve (SV
s. Measure voltage at change over
solenoid valve (SV
connector.
Normal: DC 80 ~ 100V
If normal, check item 8) below.
Faulty: Replace the PCB unit
) normal?
3
t. # Disconnect the change over
solenoid valve (SV
measure the resistance at the
solenoid terminals.
Normal: 1.3 ~ 1.9 k
If normal, check (u) below.
Faulty:
solenoid valve (SV
u. Measure the voltage at changeover
solenoid valve (SV
connector.
Normal: DC 80 ~ 100V
If normal, check item 9).
Faulty: Replace the PCB unit.
- 35 -
), connector and measure
1
) pink ~ black connector.
2
).
2
) connector, and measure
2
Ω
.
Replace the change
).
2
) blue ~ black
3
) connector, and
3
Ω
Replace the change
).
3
) blue ~ black
3
Issue 2 - 5/07/04 ©Rinnai
Ω
over
over