WHITE/RED wires to the delime switch. If it reads 120 volts, replace the switch.
Problem: Sanitizer pump doesn’t run during the cycle or through the prime switch.
1. Loose sanitizer pump motor wire. Verify and tighten connections to the motor.
2. Faulty sanitizer pump motor. If you read 120 volts at the sanitizer motor terminals during the sanitizer feed cycle, replace
motor.
Problem: Detergent not feeding, rinse aid feeds correctly.
1. Misadjusted cam. Adjust the detergent cam on the timer.
2. Faulty detergent microswitch on the cam timer. With the detergent cam in the “home” position, measure voltage between
ORANGE and GREY/WHITE wires. If it reads 120 volts, replace the microswitch.
Problem: Rinse aid not feeding, detergent feeds correctly.
1. Misadjusted cam. Adjust the rinse aid cam on the timer.
2. Faulty rinse aid microswitch on the cam timer. With the rinse aid cam in the “home” position, measure the voltage between
the ORANGE and ORANGE/YELLOW wires. If it reads 120 volts, replace the microswitch.
ES-2000 & ES-4000 Series Installation/Operation Manual 7610-011-35-10
Issued: 10-29-2007 Revised: N/A
SECTION 4: TROUBLESHOOTING
COMMON PROBLEMS
29
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