Inspect vent
pressure switch
tube & connections
47
11. Service LED ON: “LO” Code
Repair or replace
tube kit:
IDXL2SNT1930
Section B
(continued from
previous page)
Is tube
damaged?
YES
NO
Inspect flue and
vent sizing
Is flue dirty?
YES
Clean flue
and retest
NO
YES
NO
Vent sized
correctly?
Refer to
installation/
indoor vent
instructions
Test vent
pressure switch
continuity
Continuity
present?
YES
NO
Replace vent
pressure switch:
FDXLVPS1930
Heater made
after Feb.
2016?
YES
NO
Contact
Support
(908) 355-7995
Does exhaust
gas limit have
continuity?
Replace exhaust
gas limit switch:
FDXLEGL1931
NO
YES
Содержание H150FDN
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Страница 18: ...Universal H Series Heaters Troubleshooting ...
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Страница 65: ...Wiring Connection Diagram 65 ...