Operational Conditions; Rumbling Noise; High Temperature Shut Off System - Kenmore 153.320491 HT Owner's Manual

Troubleshooting Guide (cont'd)
Operational Conditions
RUMBLING NOISE
In some water areas, scale or mineral deposits will build up on
your heating elements. This buildup will cause a rumbling noise.
Follow "Element Cleaning/Replacement" instructions to clean
and replace the elements.
• Remove the two screws securing the access panel and remove
panel,
• Remove the insulation block to expose the opening.
• Reset the high limit by pushing in the red button marked
"RESET".
HIGH TEMPERATURE SHUT OFF SYSTEM
The water heater has a high limit shut off system with a reset
button located in the upper thermostat.
Follow the resetting instructions which refer to the high limit
behind the upper access panel.
NOTE= If your water heater is connected to an "Off Peak"
dock,
and uses the
"3 wire lead" wiring diagram
in the
,.',',_..u_.gDiagram" section, then the water'heater will have a
hi-limit on finth the upper and lower thermostats. Follow
the instructions to reset the M-limit behind the upper and
low.at access ponds.
RESET BUTTON
• Beforebeginning, turn "OFF" dectrical power supply to the
water heater.
• Replace the insulation block so that it completely covers the
thermostat and element.
• Replace the access panel.
• Turn "ON" electric power to the water heater.
A CAUTION
1
If the high limit must be reset again,.call Sears Service[
Department to find out why the high hmlt turned "OFF"[
the electric power.
]
AWARNING .
]
HAZARD OF ELECTRICAL SHOCKI Before removmg I
any access panels or servicing the water heater, make I
sure the electncai supply to the water.heater is turned I
"OFF". Failure to do this could result m DEATH, SERI-
OUS BODILY INJURY,OR PROPERTY DAMAGE.
22