Inspect the water pressure switch wiring, ensuring
wire harness terminals are securely fastened. IF
damaged, replace wire harness (
pg. 20
). IF secure
and free of damage, go to step 11B.
Continuity test
Inspect water pressure switch
48
“LO” Code (Limit Open) may relate to water flow. Verify the pump is running &
adequate water is flowing through heater.
“LO” is NORMAL when the pump is turned off.
Remove wires from water pressure switch &
measure continuity across terminals (while pump
is running). IF open, replace water pressure switch.
IF OK, go to Step 11C.
11. Service LED ON: “LO” Code
Step 11A
Step 11B
Содержание H150FDN
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