Rinnai HD250E REU-V3232WC, Service Manual

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Infinity REU-V3232W /HD250E REU-V3232WC - 15 - Issue 1 - 8/09/03 ©Rinnai
A
12 flashing
14 flashing
16 flashing
12 flashing
32 flashing
33 flashing
52 flashing
61 flashing
71 flashing
10 flashing
Flame detected
(>1 u A)
Combustion indicator ON
Sparker OFF
Gas modulating control ON
Solenoid valve 2 ON
Solenoid valve 3 ON
Water flow control ON
Fan control normal
Auto. fan
revolution control
Input down
operation
Safety device normal
HEX outgoing
temp. > 95°C
Main solenoid valve OFF
Solenoid valve 1 OFF
Solenoid valve 2 OFF
Solenoid valve 3 OFF
Modulating valve OFF
Combustion indicator OFF
Combustion fan OFF
HEX outgoing
temp. < 60°C
(after 65 seconds)
NO
YES
YES
NO
YES
YES
NO
Max. fan revolution
(2 seconds)
Solenoid valve 1 OFF
Main solenoid valve OFF
Modulating valve OFF
Ignition failure
< 2 times
Sparker OFF
(after 4 secs)
Modulating valve OFF
Solenoid valve 3 OFF
Solenoid valve 2 OFF
Solenoid valve 1 OFF
Main solenoid valve OFF
11 flashing
Flame current abnormal
Thermal fuse activated
Outgoing water temperature
>105°C
Control circuit short
Outgoing thermistor faulty
HEX outgoing thermistor faulty
Modulating valve faulty
Combustion fan rotation
abnormal
Solenoid valve circuit faulty
Combustion faulty
Combustion indicator OFF
B
NO
YES
NO
14
15
16
from previous page
from previous page from previous page
YES
NO
NO
YES