21
Servicing should only be performed by a Qualified Service Technician
HEATER CONTROL BOARD DIAGNOSTIC LED INTERPRETATION AND
TROUBLESHOOTING
TEST 1 - 120 VAC CHECK TO HEATER:
•
No Green display "Power" LED On.
•
Plugs are in receptacles.
•
Supply power breaker is not “open”.
•
On/Off heater switch is “On”.
TEST 1
120 VAC check to water heater ON/OFF switch.
Check for 115-125 VAC black wire to ground\
115 VAC check to E13 Terminal and 2B receptacle.
IF.........
THEN............
Voltage is not present from on/off
switch center black wire to ground
Check conditions above.
Check wiring from switch to break box.
Power is present from center on/off
terminal
Check power from on/off switch to ignition board terminal E13.
Voltage is not present at E13 to
ground
Check wiring from on/off. Left-outside terminal to E13.
Replace on/off switch.
Power is present at E13
Check power from E14 to water heater control E2 receptacle.
Voltage is not present from water
heater control receptacle E2 black to
ground
Check wiring from ignition control board E14 to water heater
control receptacle E2.
Replace ignition control board.
Power is present at E2
Green LED should be on.
Summary of Contents for BTR 201
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Page 36: ...34 Servicing should only be performed by a Qualified Service Technician WIRING DIAGRAM ...
Page 37: ...35 Servicing should only be performed by a Qualified Service Technician NOTES ...
Page 38: ...36 Servicing should only be performed by a Qualified Service Technician NOTES ...
Page 39: ...37 Servicing should only be performed by a Qualified Service Technician NOTES ...
