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B. OPERATORS TROUBLESHOOTING GUIDE
The Troubleshooting guide includes a list of symptoms that may be encountered during routine
operation and maintenance. The first column on the left (PROBLEM) describes these symptoms. The
second column lists the possible causes for the problem in column one. The third column lists possible
remedies for the problems and causes in columns one and two. The causes and remedies are listed in
the order they should be checked, with the least costly and easiest to repair listed first. The third
column also refers to notes that are grouped at the end of the troubleshooting guide. Refer to these
notes when instructed to do so.
Table 6-1 Trouble Shooting Guide
PROBLEM POSSIBLE CAUSE REMEDY/REFERENCE
Power turned off at external main
power switch or breaker.
Turn ON power at external main power
switch or circuit breaker.
Circuit breaker on back of unit has
tripped.
(21CET8 and 21CET16 only)
Reset circuit breaker. If condition repeats
itself see note #1.
Internal fuse has blown. (21CET16 only) See note #1.
Internal main transformer has failed. See note #1.
Switch light does not turn
ON when ON/OFF switch
is pressed ON.
Inoperative controls or failed switch. See note #1.
Water supply to steamer shut off. Open water supply valves.
Water line strainer and/or external filter
system is clogged
Clean water supply strainer and/or filter
system.
Solid particles have partially blocked
the drain valve or valve is stuck open.
Blowdown unit to rinse drain. The unit
needs to be descaled with a Cleveland
Range approved descaler as soon as
possible. If condition persists, see note #1.
Power ON and steam
generator does not fill.
Inoperative Solenoids or controls. See note # 1.
Water supply to steamer shut off. Open water supply valves.
Water line strainer and/or external filter
system is clogged
Clean water supply strainer and/or filter
system.
Door interlock switch not engaged or
has failed. (On units equipped with a
door interlock only)
Close steamer doors completely. If
problem persists see note #1.
Heating elements covered in scale. Descale steam generator with Cleveland
Range approved descaler.
Hi limit has tripped See following section “high limit has
tripped”
Heating elements have failed. See note #1.
ON/OFF switch light ON
and steamer does not
make any steam in
manual or timed mode.
Inoperative controls or solenoid. See note #1.
Unit has temporarily overheated. Turn unit OFF for 3-minutes to blow down
unit and then turn back ON, to drain and
refill the generator.
Scale build-up in generator. Descale generator with Cleveland Range
approved descaler.
Bad high limit. See note #1.
Hi limit has tripped
Inoperative controls. See note #1.
(Continued on next page)
WARNING
Do not try to correct a problem, which requires an authorized
service representative as this may adversely affect warranty
coverage and/or cause property damage, injury or death.