TROUBLE SHOOTING (Cont'd.)
TROUBLE
CAUSE
REMEDY
D-1. 5
Thermostat may be defective if it can not
be adjusted as suggested under D-1. 2
above.
D-1. 5
Shut off power, remove thermostat and replace.
E MISCELLANEOUS
E-1
Loud rumbling noises when
water is boiling.
E-1
Lime scale due to hard water or foreign
matter in water supply is agitated by
boiling resulting in continual impact
against urn walls.
E-1
Shut off heat. Drain water from urn and clean out interior of urn by
removing liner. If trouble is due to lime, install water conditioner. If
due to considerable amount of foreign particles in water supply,
check "Y" strainer in supply line.
E-2
Water compartment overfills,
or water level rises when not
desired.
E-2.1
Water inlet valve left open.
E-2.1
Be sure water inlet valve is closed when not refilling.
E-2.2
Water inlet valve does not shut off flow of
water completely because of faulty
washer.
E-2.2
Shut off main water valve in line immediately before urn. Remove
valve bonnet, unscrew valve stem and replace valve disc.
E-3
Water in urn jacket gauge is
discolored with coffee.
E-3.1
Urn liner has been overfilled allowing
some coffee to seep into urn jacket.
E-3.1
Drain jacket water and replace with fresh water. Avoid overfilling liner.
E-3.2
Leak at urn liner fitting allows coffee to
seep into water jacket.
E-3.2
To check whether leak exists at urn liner fitting, drain off all liquid from
liner through coffee faucet. Dry liner thoroughly. Fill urn jacket with
water and allow to stand for about an hour. If there is a leak between
the liner and the jacket at liner fitting, water will appear in the liner. To
correct, install new liner.
E-4
Gauge does not register.
E-4
Air is trapped in gauge tube because of
clogged vent at top of gauge. Liquid
cannot enter tube to proper indicating
level.
E-4
For all coffee gauges and water gauges, make sure vent hole
at top of gauge is not clogged.
13 LSQ
