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MODEL EZ-3 & EZ-5 COUNTERTOP STEAMERS TROUBLESHOOTING
TROUBLESHOOTING
This section contains a troubleshooting flowcharts, procedures, and electric schematics to assist a qualified
service technician in the servicing of a EZ-3 or EZ-5 Countertop Steamer.
TROUBLESHOOTING FLOWCHARTS
Find the symptom below that corresponds to the malfunction, then turn to the corresponding figure and page.
Follow the flowchart on that page until the problem is solved.
Symptom Page
Unit Not Heating Up, “ON” Light Not Lit 16
Unit Not Heating Up Properly or Not Cooking As Fast, “ON” Light Lit 17
Unit Using Excessive Amount of Water and/or Excessive Steam Coming from Vent Tube 18
“Check Water Level” Light Does Not Come On When Unit Runs Out of Water 18
Buzzer Does Not Come On 19
TROUBLESHOOTING PROCEDURES AND SCHEMATICS
Procedure or Schematic Page
Voltage Check at Control Panel Fuse Block 20
Heating Element Resistance Check (at contactor) 21
Main Fuse Replacement (for units built before July 1, 2002) 22
Power Switch Continuity Check 23
Contactor Coil and MOV Check 24
Idle Element Resistance Check (for units built before January 15, 2001) 25
Timer and Buzzer Check 26
Door Switch Continuity Check (for units built before January 15, 2001) 27
Door Switch Continuity Check (for units built after January 15, 2001) 28
Float Switch Continuity Check 29
High Limit Continuity Check (for units built before January 15, 2001) 30
High Limit Continuity Check (for units built after January 15, 2001) 31
Time Delay Relay Check (for EZ-3 units built before January 15, 2001) 32
Controller Check (for EZ-5 units and for EZ-3 units built after January 15, 2001) 33
Electric Schematic for 208-240 Volt 60 Hz or 220 Volt 50 Hz Model EZ-3 Units Built Before Jan. 15, 2001 34
Electric Schematic for 480 Volt Model EZ-3 Units Built Before Jan. 15, 2001 35
Electric Schematic for 208-240 Volt 60 Hz or 220 Volt 50 Hz Model EZ-5 Units Built Before Jan. 15, 2001 36
Electric Schematic for 480 Volt Model EZ-5 Units Built Before Jan. 15, 2001 37
Electric Schematic for 208-240 Volt 60 Hz or 220 Volt 50 Hz Units (EZ-3 or EZ-5) Built After Jan. 15, 2001 38
Electric Schematic for 480 Volt Units (EZ-3 or EZ-5) Built After January 15, 2001 39
TROUBLESHOOTING
OPERATOR’S MANUAL 1178387 PAGE 15