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Page Created: 09-10-2012
Revised: N/A
Technical Manual (07610-003-97-40)
TROUBLESHOOTING (CONTINUED)
PROBLEM
POSSIBLE CAUSE
REMEDY
Hood binding does not open and
close freely.
1. Hood misaligned due to loose hood support pipe nut.
2. Teflon washer on hood between inner and outer hood
damaged.
1. Tighten nut at union.
2. Replace Teflon washer.
Wash pump leaks.
1. Defective or worn ceramic seal.
2. Defective or worn crane seal.
3. Damaged gasket on pump housing.
1. Replace ceramic seal
2. Replace crane seal.
3. Remove damaged gasket on pump housing and replace.
Dish-machine vibrates
excessively.
1. Bearings in pump assembly are worn.
2. Wash pump motor is defective.
1. Replace bearings in pump assembly.
2. Repair or replace damaged motor.
Dish-machine does not wash or
rinse in manual.
1. Power to machine is shut-off.
2. Defective manual wash and rinse switches.
3. Loose or broken L1, L2,or L3 wires at TB1.
1. Verify that there is incoming power to the dish-machine.
2. Check manual wash or rinse switch, replace them if they
are damaged or not working correctly.
3. Check for loose or broken wires to L1,L2 and L3.
Machine does not work on
automatic. But works on manual.
1. Timer not working. Motor on timer not turning.
2. Defective master or start switch.
1. Remove remote controller cover and observe the timer
to see if the cams on the timer are rotating.
2. Check master and start switches, replace them if they
are damaged or not working correctly.
Wash motor does not work on
automatic, but rinses on
automatic and washes on
manual.
1. Defective wash mircoswitch in timer.
1. Check timer (SEE PAGE 26 ON SERVICE INSTRUCTIONS
FOR THE TIMER)
Machine goes through entire
cycle and shuts off, but washes
the entire time.
1. Defective wash mircoswitch in timer.
1. Check timer (SEE PAGE 26 ON SERVICE INSTRUCTIONS
FOR THE TIMER)
Insufficient rinse.
1. Insufficient water pressure.
1. Line pressure at solenoid valve should be 15 psi.
Water leaks from top of hood.
1. Rinse arms are not rotating freely.
1. View page 33 for rinse arm assembly, make sure rinse
arm nylatron washers are not worn.
Summary of Contents for 10AB-N70
Page 8: ...Revision Letter Revision Date Made By Applicable ECNs Details...
Page 59: ...APPENDIX A DEMA Nitro Warewash Dispenser A 1...
Page 61: ...Part 1 Nitro Warewash Dispenser User s Manual...
Page 70: ...Part 2 Solid Rinse Bowl Installation Instructions...
Page 75: ...Part 3 Viking Bowl Installation Instructions...
Page 78: ...Part 4 Nitro Warewash Dispenser Training Manual...
