Southbend R18A-4 User Manual
Page 24
INSTALLATION AND OPERATION MANUAL,
ELECTRIC COUNTER CONVECTION STEAMER, MODEL R18A-4
MANUAL 1195734 REV0 (11/22/2011) 24 HEAVY DUTY STEAM
8.0 TROUBLESHOOTING
(Continued)
HEATER ELEMENTS DO NOT COME ON
When the steamer is turned ON and heater elements do not activate, and the READY light
does not come on, then the contactors may be burned out. If a considerable amount of
“chattering” of contactors has been previously experienced, then the thermostat bulb may be
coated with scalant and unable to sense water temperature in the boiler accurately, and
therefore unable to control the contactors.
1. Replace contactors.
2. Unscrew thermostat bulb, clean off scalants and screw thermostat bulb back in.
This problem may be an indication of inadequate water quality and is not covered under
warranty. Have water quality analyzed and corrected immediately to avoid complete
malfunction of the steamer.
UNIT SHUTS DOWN WHILE IN OPERATION
Pressure switch has been activated due to 5 psi (34 kPa) pressure in the generator tank.
Pressure in the generator tank is caused by plugged steam jet tubes or steam diverters due to
scale or poor water conditions. Steam jet tubes/steam diverter will have to be cleaned or
replaced.