ACP ARX51 Series, Service Manual

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Both Magnetrons
Both systems can be started and
stopped by pressing the Start or Stop
icon
The current amperage being drawn by BOTH HV
systems. Look for consistent readings with
Convection Heater. These are protected by Fuses F3
& F4.
Convection Heater
Heater can be stopped and started
by pressing the Start Stop icon
The current amperage being drawn by the
Convection Heater. 7-15 amps is considered normal.
This circuit protected by fuse F5
Radiant Heaters Not Used for this model
Convection Fan Low
Convection Fan Motor Low Speed
can be stopped and started by
pressing the Start or Stop icon.
The current amperage being drawn by the
Convection Fan Motor on low speed. <2 amps and fan
motor operating noise is considered normal. This
circuit is protected by fuse F2.
Convection Fan High
Convection Fan Motor High Speed
can be stopped and started by
pressing the Start or Stop icon.
The current amperage being drawn by the
Convection Fan Motor on high speed. <3 amps and a
high speed fan motor operating noise is considered
normal.
Cooling Fan
Motors can be stopped and started
by pressing the Start Stop icon.
The current amperage being drawn by both the
Cooling Fan Motors. 1-3 amps is considered normal.
A failed Cooling Fan motor will likely result in a G2
Error Code
Antenna Motors
Both Antenna Motors can be started
by pressing the Start icon. NOTE:
pressing Stop icon will not stop the
antenna motors. They continue to
run until Service Mode is exited.
DOES NOT OPERATE ON MRX UNITS:
Antenna Motors draw very low amperage. It is
normal to have 0 amps displayed. Service provider
should visible inspect operation.
RTD
Resistive Thermal Devices (aka Temp
Sensors) Press and the
current temperature sensed by the
RTD along with the maximum
temperature recorded.
MRX OVENS ONLY HAVE ONE RTD AND MAXIMUM
READING IS NOT USED. NON USED READING WILL BE
656 or 657– USE RADIANT RTD READING ONLY.
The Radiant RTD is located at the back center of oven.
The Convection RTD is located on the upper left by
the Convection Element. To reset maximum
temperature reading, press and hold the Max
Convection RTD for several seconds—temperature
will change to the current temperature sensed.
Memory Attached Memory Devices
Press and the following will display:
USB Present or Absent
SD Card Present or Absent
Error History
Chronological List of Errors
Experienced by the Control
Press and the following will display:
Error Code Date, Time, and Code (see Error Code List
in this section)
Voltage Switching
Displays the voltage as sensed by the
control.
Pressing has no effect.
Temperature Offset
The degree of offset programmed
into control to synchronize control
to cavity temperature.
Press and the following will display: The amount of
temperature offset programmed by the factory
Pin Code Displays the 4 Digit Pin Code Pressing has no effect.
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