A. O. Smith Water Products Company
Service Handbook
Irving, Texas 2000
©
Training Department
19
TROUBLESHOOTING
STEP 2 - CHECK CONTINUITY THROUGH THE VALVE COIL
STEP 2. Check Continuity Through The Valve
Coil
•
Power off
•
Gas valve - coil continuity check
•
Disconnect wires from gas valve
•
Multimeter set to scale.
IF…
meter does not in/- 7.5% of table
meter ind/- 7.5% of table
BTH Model
Gas
OHMS Resistance
120
N
100
150, 199
N
560
150, 199
P
63
250
N
63
OHMS RESISTANCE TABLE
Usually a defective coil will be indicated by a "0" or "1" on the meter.
Summary of Contents for BTH 120
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