Middleby Cooking Systems Group PS770 사용자 설명서

17

SYMPTOM

PROBLEM

SOLUTION

No electrical power

• 

Check that the circuit breaker/fused disconnect is on. Make 

sure the emergenct stop button is on.

No gas pressure

Burner did not light

• 

Make sure main gas is on.

• 

Turn  oven  off,  and  restart.  If  it  still  does  not  light,  call  for 

service.

Air fingers may be as-

sembled incorrectly after 

cleaning.

• 

Turn oven off, and allow to cool. Reassemble fingers correctly.

Oven is not up to operating 

temperature.

Conveyor may be jammed.

• 

Allow oven to preheat.

• 

Turn oven off, and allow to cool. Check conveyor for blockage.

SYMPTOM

PROBLEM

SOLUTION

The internal battery needs 

to be replaced to retain 
energy mode timings.

• 

A qualified service technician should accomplish this.

Battery Symbol in the 

lower right hand corner

Clean and replace the 
front fan filters.

• 

Failure to do this will eventually shut down the oven due to 

excessive temperature.

High Control Compartment 

Temperature

The computer has 

detected a problem with 

either the main, or burner 

blowers.

• 

This should be corrected by a qualified service technician.

Main Blower problem 

or Combustion Blower 

problem.