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Page Title:
WATER HEATER DOES NOT HEAT WATER (CONT). |
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 (3) Check for 24 vdc between terminal
A2 of relays K1 and K2 and
ground. If low voltage or no
voltage is indicated, replace main
power cable or troubleshoot pump
unit generator/alternator circuit.
(4) Remove cover on combustor air
pressure switch (1) and disconnect
two wires. With combustor air
blower motor operating, measure
for continuity. With combustor air
blower motor not operating, mea-
sure for infinity. If measurements
are not as indicated, replace com-
bustor air pressure switch.
TM 3-4230-209-20&P
2-25
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