Specifications
STS-200 STEAMER/SCALE
14
P/N 1010929 Rev. B 03/12
A.J. Antunes & Co.
TROUBLESHOOTING (continued)
Problem Possible Cause(s) Corrective Action
The unit heats up and steams but
the front display is blank.
Faulty scale Control Board. Contact your maintenance person
or an Authorized Service Agency for
service.
Faulty temperature Control Board.
Unit operates, but the front display
intermittently goes blank then
comes back on after several min-
utes.
NOTE: The generator surface
temperature is in excess of
375°F. The hi-limit will trip at
450-470°F.
The automatic resetting hi-limit is trip-
ping due to the generator overheating.
Contact your maintenance person
or an Authorized Service Agency for
service.
Faulty temperature Control board.
Faulty thermistor.
No heat, the front display is blank,
and the light on the power switch
is off.
Power cord not plugged into the
appropriate outlet.
Verify that the power cord is plugged
into the appropriate outlet.
Circuit breaker is off or tripped. Verify circuit breaker is on.
Faulty power cord. Contact your maintenance person
or an Authorized Service Agency for
service.
Faulty terminal block.
Faulty power switch.
No heat, the front display is on,
Thermistor is shorted. Contact your maintenance person
or an Authorized Service Agency for
service.
Faulty temperature Control Board.
Thermistor is open. Contact your maintenance person
or an Authorized Service Agency for
service.
Loose, burnt, or broken wiring in heat-
ing circuit.
One of the two generator heaters is
open.
Faulty temperature Control Board.
No heat, front display is blank, but
the light on the power switch is
ON.
Faulty transformer. Contact your maintenance person
or an Authorized Service Agency for
service.
Faulty temperature Control Board.
Loose or broken wiring in circuit.
second on 3 seconds off
NOTE: The electrical compart-
ment temperature has exceeded
155°F.
Insufficient ventilation around unit. Turn unit off and let cool down. If
the problem persists, contact your
maintenance person or an Authorized
Service Agency for service.
Faulty Temperature Control Board
1 second on 1 second off during
normal use.
NOTE: The generator surface
temperature has dropped below
280°F. Proper operating tem-
perature is 375°F.
Water pressure regulator is improperly
set.
Adjust regulator to 7-9 PSI.
Rotary switches are not correctly set Set switches to the proper settings
shown under the “Equipment Setup”
section in the manual.
One of the two generator heaters is
open
Contact your maintenance person
or an Authorized Service Agency for
service.
Faulty Temperature Control Board.