Troubleshooting Guide (cont'd)
_WARNING
This troubleshooting guide has been supplied for use by quali- fied service personnel who have a complete understanding of
beth e ectr c ty and gas.
ACAUTION
Label all wiring before disconnecting any wiring; to ensure correct reconnection. Failure to follow this instruction
could cause improper and possible dangerous operation,
resulting in DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAMAGE.
THERMOSTAT AND GAS SUPPLY CHECK
................ | Is gas being |
| Y_s | |
No | thermostat? | supplied to the .. | ||
l | ||||
i |
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J |
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| |
lTom"ON'gass°pplY ] |
|
| I Is p,ilot lit? | |
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| I | |
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| I | |
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| e | |
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| I |
Instructions in | manual | or attached _ | |
I Light | Pilot. | (See | Lightingl |
to water | heater.) |
| 1 |
l |
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| |
f_iiotwon,tlight. |
| I Lpil°tlights. | |
! |
|
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|
I Check thermocouple. |
| I | [Turn gas cock knob to "ON". |
I
BadGood
[ Replace thermostat.
No | " | Yes |
|
| l |
I •_ [ Is gas cock knob turned "ON"?
Yes
}_ ..... No ....Is thermostat calling for heat? Run (hot) water from heater and turn
adjustment knob higher. Check
using a manometer at thermostat pressure tap. I
I Replace thermocouple.
. - | NO | ,J | ye s |
Replace thermostat.
Call gas company to increase gas _,_ ................
I ,1
Is there a minimum gas pressure 3_" W.C. for natural gas or 8" W,C. for propane (L.P) gas?
No | J | I |
Yes
GO TO ELECTRICAL SYSTEM < CHECK SECTION
35
