Service Manual

Part Number: 000015430 Rev 02 5/20 161
HIGH PRESSURE CUTOUT (HPCO) CONTROL
FUNCTION
Stops the ice machine if subjected to excessive high-side
pressure. The HPCO control is normally closed, and opens
on a rise in discharge pressure.
SPECIFICATIONS
Specifications
Refrigerant Cut-Out Cut-In
R410A
600 psig ±10
(4136 kPa ±69)
450 psig ±10
(3103 kPa ±69)
R404A
450 psig ±7
(3102 kPa ±48)
300 psig ±10
(2068 kPa ±69)
Automatic Reset
SYMPTOM
Opening the HPCO will cause the control board to initiate
a 10 minute delay after which the ice machine attempts a
restart. If the HPCO is closed the ice machine will continue
to run. If the HPCO remains open after the 10 minute delay
or reopens when the compressor starts, the ice machine
will start another 10 minute delay period.
1. Machine is off and the Alert Log indicates
E5 HPC Trip, the number of trips and the time and
date of the last trip.
2. Machine is running and the display has an alert
notification - Select the Alert Log to display the fault.