TROUBLESHOOTING

TROUBLESHOOTING (Cont.)

CONDITION

CAUSE

SOLUTION

Insufficient pumped

Clogged pump intake screen

Clean

spray pressure

Clogged spray pipe

Clean

 

Scrap screen full

Must be kept clean and in place

 

Low water level in tank

Check drain-overflow assembly

 

Pump motor rotation incorrect

Reverse connection between L1

 

 

and L2 in Control Cabinet

 

Defective pump seal

Contact Service Agent

 

 

 

Insufficient final rinse

Faulty pressure reducing valve

Clean or replace

or no final rinse

Improper setting on pressure

Set flow pressure at 20-22 PSI/

 

reducing valve

138-151.8 kPa

 

Clogged rinse nozzle and/or

Clean

 

pipe

 

 

Improper water line size

Have installer change to

 

 

proper size

 

Clogged strainer in fill valve

Clean or replace

 

 

 

Low final rinse

Low incoming water

Check the booster (MH60, MH6N)

temperature

temperature

be sure the thermostat is set to

 

 

maintain180°F/82°C temperature.

 

 

MH6L check incoming water is set

 

 

Min. 120°F/49°C-140°F/60°C.

 

 

Check valve to be sure it is clean

 

 

and operating

 

Defective thermometer

Check for proper setting or

 

 

replace

 

 

 

Poor washing results

Detergent dispenser

Contact detergent supplier

 

not operating properly

 

 

Insufficient detergents

Contact detergent supplier

 

Wash water temperature

See condition “Wash Tank

 

too low

Water Temperature” above

 

Wash arm clogged

Clean

 

Improperly scraped dishes

Check scraping procedures

 

Ware being improperly

Use proper racks. Do not

 

placed in rack

overload racks

 

Improperly cleaned

Unclog wash sprays and rinse

 

equipment

nozzles to maintain proper

 

 

pressure and flow conditions.

 

 

Overflows must be open. Keep

 

 

wash water as clean as possible.

 

Heater elements

Clean and delime

 

have soil/lime buildup

 

 

 

 

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Moyer Diebel MH-6LM3, MH-6NM3, MH-60M3 technical manual Troubleshooting