©2018 ACP, Inc.
Cedar Rapids, IA 52404
Page 45 of 80
Part No. 16400033
Original Instructions
Error Codes
Code
Description
Corrective Action
A2
Invalid Display Firmware
Update Firmware or Replace Touch Control
B1
Touch Screen Error
Replace Touch Control
B2
Wi-Fi Error
Reset Touch Control If continued failure, replace Touch Control
B3
Wi-Fi Error
Reset Touch Control If continued failure, replace Touch Control
D0
Convection Temp Sensor (RTD)-Open
Replace Temp Sensor (Top Left of Oven)
D1
Convection Temp Sensor (RTD)-Shorted
Replace Temp Sensor (Top Left Oven)
G0
Oven Exceeded Max or Min Temperature
After oven cools, press the Oven Thermal Cutout’s reset button
found on the back, right-hand bottom corner of oven If unable to
reset, replace the Oven Thermal Cutout
NOTE:
Cutout may trip if subjected to sub-freezing temperatures
G2
Open Magnetron TCO
Board Senses an Open Magnetron TCO Inspect Cooling Fans
operation and airflow, TCO’s and Wiring.
H0
Zero Cross Failure
No or Intermittent Voltage at J1 Connector on Main Control Test
Main Control and wiring Repair or replace as needed
H2
Invalid System State
Test Main Control Board and replace as needed
H3
Invalid EEPROM/FLASH
Test Main Control Board and replace as needed
I1
Current Sense-No/Low Amps from
Microwave Circuit
Perform Service Test (Magnetron #1 & #2)
Test Door Switches are activating Check for weak door hinges
Correct as needed Adjust Secondary/Monitor Switch assembly for
correct actuation
V0
Low Voltage
<188VAC Detected by the Main Control Board Check and correct
incoming voltage
V1
High Voltage
>263VAC Detected by the Main Control Board Check and correct
incoming voltage
Important Note:
Error Code History cannot be cleared Oldest codes will automatically be deleted when the history log is full
