ACP MXP22*T - Error Code List

ERROR CODES
Code
Description
Corrective Action
A2
Invalid Display Firmware
Update Firmware or Replace Touch Control
B1
Touch Screen Error
Replace Touch Control
C0
Radiant Temp Sensor (RTD)-Open
Replace Temp Sensor (Back of Oven)
C1
Radiant Temp Sensor (RTD)-Shorted
Replace Temp Sensor (Back of Oven)
D0
Convect Temp Sensor (RTD)-Open
Replace Temp Sensor (Top Left of Oven)
D1
Convect Temp Sensor (RTD)-Shorted
Replace Temp Sensor (Top Left Oven)
G0
Oven Exceeded Max. Temp.
ELECTRONIC LIMITER model
Unplug / Plug oven in
If G0 Continues: Check wire connections at main board
J7-1, & 2, Test Thermocouple & RTDs --Replace if
Necessary, Replace Electronic Limiter.
MECHANICAL THERMAL CUTOUT model
After oven cools, press the reset button found on the
bottom, back right hand corner of unit. If unable to
reset, Replace Mechanical Limiter. NOTE: Limiter may
trip if subjected to sub-freezing temperatures
G2
Open Magnetron TCO
Perform service test (Magnetron #1 & #2)
Board Senses an Open Magnetron TCO. Inspect Cooling
Fan Motor Operation and Airflow, TCO’s and Wiring.
H0
Zero Cross Failure
No or Intermittent Voltage at J1 Connector on Main
Control Board.
H2
Invalid System State
Main Control Board
H3
Invalid EEPROM/FLASH
Main Control Board
I1
Current Sense-No/Low Amps from Microwave
Circuit
Perform Service Test (Magnetron #1 & #2)
Suspect Door Switches not fully activated or weak door
hinges. Secondary/Monitor Switch assembly is
adjustable.
V0
Low Voltage
<188vac Detected by the Main Control Board
V1
High Voltage
>263vac Detected by the Main Control Board
Important Note: Error Code History cannot be cleared. Oldest codes will automatically be deleted when
the history log is full.
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