State GS6 75 URRBS - Manual (Page 27)

27
TROUBLESHOOTING GUIDELINES
Problem Cause Solution
WATER LEAKS
Improperly sealed, hot or cold supply connec-
tion, relief valve, or thermostat threads. Tighten thread connections.
Leakage from water lines. Inspect water lines and connections.
Condensation of fl ue products. Refer to “Condensation” section.
LEAKING T&P VALVE
Thermal expansion in closed water system. Install thermal expansion tank (DO NOT plug T&P
valve).
Improperly seated valve. Check relief valve for proper operation. Replace if
necessary.
(DO NOT plug T&P valve).
SMELLY WATER
High sulfate or mineral content in water supply. Drain and fl ush water heater thotoughly, then refi ll.
Bacteria in water supply. Chlorinate or aerate water supply.
PILOT WILL NOT LIGHT
Gas control knob not positioned correctly. Refer to “Lighting Instructions”.
Main gas supply off. Turn off main gas shut-off valve.
Ignitor wire not connected. Check ignitor wire connection.
Faulty ignitor. Replace ignitor.
Air in gas line Bleed the air from the gas line
Dirt in gas line Notify utility-install dirt trap in gas line
Pilot line or orifi ce clogged Clean, locate source and correct
Cold drafts Locate source and correct
Thermostat ECO switch open Replace thermostat
Low gas pressure Check with gas utility company
Combustion air obstructed See maintenance section for inspection and clean-
ing of burner
Pilot dirty Clean pilot
BURNER WILL NOT STAY LIT
Thermocouple malfunction. Replace pilot assembly and/or thermocouple.
Defective gas control. Replace Gas Control
Pilot not lit Light pilot
Thermostat set too low Turn temp. dial to desired temperature
No gas Check with gas utility company
Dirt in the gas lines Notify utility-inatall trap in gas line
Pilot line clogged Clean, locate source and correct
Main burner line clogged Clean, locate source and correct
Non-functioning thermostat Replace thermostat
Heater installed in a confi ned area Provide fresh air veltilation
PILOT OUTAGE
Thermocouple tip is not in contact with pilot
fl ame. Insert thermocouple correctly.
Dirty pilot burner. Clean pilot assembly.
Thermocouple malfunction. Replace pilot assembly ond/or thermocouple.
Defective gas control. Replace gas control.
NO HOT WATER Pilot not lit or thermostat not on. Refer to “Lighting Instructions”.
NOT ENOUGH HOT WATER
Thermostat set too low. Refer to “Temperature Regulation”
Low gas pressure. Contact your gas supplier.
Incoming water is unusually cold. Allow more time for water heater to re-heat.
Leaking hot water pipes or fi xtures. Have plumber to check and repair leaks.
High temperature limit switch activated. Contact a service agency to determine cause.
Heater undersized. Reduce hot water usage.
WATER TOO HOT Thermostat set too high. Refer to “Temperature Regulation”.
WATER HEATER SOUNDS Condensation dripping on burner. Refer to “Condensation”.