Hobart IB140 ML-110899 User Manual
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MAINTENANCE
LUBRICATION
The water pump motor and the combustion air blower motor are permanently lubricated and require
no other maintenance.
no other maintenance.
VENT SYSTEM
Annually check the vent system for obstruction. Check for signs of deformation in the vent pipes which
will be an indication of abnormal conditions in the venting system. Refer to the instructions supplied
by the vent pipe manufacturer.
will be an indication of abnormal conditions in the venting system. Refer to the instructions supplied
by the vent pipe manufacturer.
CHECK BURNER FLAME
When the burner is operating properly the flame will appear to be orange with a blue tint as you look
across the burner. This can be observed through the flame observation port with the left side panel
removed (Fig. 9). Inspect the burner through the observation port periodically. If areas of the burner
are other than described, contact your Hobart-authorized service office to have the burner inspected
for proper operation.
across the burner. This can be observed through the flame observation port with the left side panel
removed (Fig. 9). Inspect the burner through the observation port periodically. If areas of the burner
are other than described, contact your Hobart-authorized service office to have the burner inspected
for proper operation.
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SUGGESTED SOLUTION
On - Off switch energized.
No power to heater.
Check circuit breaker.
Unit does not operate.
Check disconnect switch.
Check water supply.
Check manual reset switch in unit (call Service).
Check water supply.
Check manual reset switch in unit (call Service).
Vent fan off (APS interlock).
Turn vent fan on.
Unit energized, pump and
Blocked vent.
Remove blockage.
blower running but burners
Gas off.
Turn gas on.
are NOT on.