ACP MXP5201, Service Training Manual

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58
Error Codes
Display Description !""#$%&'#()$%&!*
A0 Main Board Replace main board
A2 Display Board Replace display board
B0 Touch Panel Replace Touch Panel
B1 Touch Panel Replace Touch Panel
C-0 Temp Sensor (RTD) (open) Replace Temp Sensor
C-1 Temp Sensor (RTD) (shorted) Replace Temp Sensor
C-2 Temp Sensor (RTD) (out of range) Replace Temp Sensor
D-0 Thermocouple (RTD) (open) Replace Thermocouple
D-1 Thermocouple (RTD) (shorted) Replace Thermocouple
D-2 Thermocouple (RTD) (out of range) Replace Thermocouple
G-0 Oven Exceeded Max. Temp. Unplug / Plug oven in
If G-0 continues to appear:
1.Check wire connector on main board J7-1,2
2. Test thermocouple / RTD and replace if
necessary.
3. If thermocouple/ RTD test good replace
electronic limiter.
G-2 Magnetron TCO Perform service test (Magnetron #1 & #2)
G-2 Cooling Motor Perform service test (Cooling Fan)
H-0 Signal Missing Plug disconnected from J1 on main board
H-1 Main Board Set Point Incorrect. Unplug / Plug oven in
H-2 Main Board Replace main board
H-3 Main Board Replace main board
M-0 Current Sense Low Amps Perform service test (Magnetron #1 & #2)
M-1 Magnetron 1 Low Amps Perform service test (Magnetron #1)
M-2 Magnetron 2 Low Amps Perform service test (Magnetron #2)
Note: While in the service test the error history can be cleared by pressing and holding Pad 1.
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