INSTALLATION & OPERATION MANUAL 10272 REV 2 (04/22)
PAGE
18
OF 20
Electric Counter Convection Steamer
Troubleshooting
Troubleshooting
Water Flows into Drain during Shutdown
When steamer is shut down and cold water is running continuously into the open drain, either or both solenoid valves did
not close when steamer was turned off.
1. Disassemble solenoid valve(s) and examine for scale or foreign particles lodged in diaphragm or core tube.
2. Clean valve(s) thoroughly and reassemble, or replace valve(s).
Water Overflows into Cooking Compartment
When steamer is first turned on for the day, and the following conditions occur:
- READY light does not come on after about 5 minutes,
- Water begins to overflow into cooking compartment,
- Water fill solenoid valve is open,
Any or all of these symptoms may indicate a problem with the operating probe due to either:
1. A short between the operating probe terminal and body of the steamer. Call your authorized servicer.
2. Excessive scale build-up on the operating probe. This acts as an “insulation” and prevents the probe from sensing the
water level. It is therefore unable to close the water fill (solenoid) valve to shut off the water.
As a temporary solution, with power OFF, unscrew probes, check visually, and clean or chip off scalant. Replace
probe.
This problem is an indication of severe harmful water conditions which should be corrected immediately to avoid
damage to the components and ultimate malfunction of the steamer. (See WATER QUALITY in this manual).
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
contactor may be burned out. If a considerable amount of “chattering” of contactor 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 contactor.
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
1. Pressure switch has been activated due to 5 psi (34 kPa) pressure in the generator tank.
2. Pressure in the generator tank is caused by plugged steam jet tubes or steam diverters due to scale or poor water
conditions.
3. Steam jet tubes/steam diverter will have to be cleaned or replaced.
