Merrychef Mealstream 500 Wartungshandbuch PDF herunterladen (Seite 8)

Page 8 Mealstream 401Ovens 32Z3311 Issue 8

The Mealstream EC401 will identify some of the most common problems by flashing an error

message code in the time display window.

Error Message

Possible Cause Service

Door not fully shut

Possible electrical fault

Close door fully.

Check Microswitch Door Circuit

Check Microswitch Connection to PCB

Check Ribbon Cable

Check Relay PCB & Logic PCB

No time has been set

Invalid time has been set

Invalid program has been set

Number pad failure

Memory Failure running a

Program

Set a time

Set a valid time

Use call-back to check program

(Menukey: no key downloaded)

Membrane key short circuit

Re-Program Pad,

if fault repeats replace Logic PCB

Oven not heating up

Possible Heater circuit fault

Check heater fuse

Confirm operation of heater, overheat

stat and heater circuit

1 Oven Cavity overheating Check cavity sensor

Confirm heater relay is operating

1 Oven is not at correct

temperature to start program

Operator Error !!

Allow oven to reach correct

Programmed temperature

1 Magnetron overheating Check that magnetron cooling fan is

working correctly

Check air filters

Check location and air inlet temperature

Note : this will lead to condition shown

below

Magnetron has overheated

but has now recovered

Internal diagnostic fault

Check that magnetron cooling fan and

turntable are working correctly

Check installation, air inlet temperature

and air filters

1 Oven control area is

overheating

Check air filters.

Check axial fan

Check installation for hot air intake

MenuKey removed before the

download is complete

or the process has been

interrupted

Switch oven off and begin the MenuKey

download again

Error codes and diagnostics

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 36 37

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