Diagnosis: Troubleshooting, Warnings and Alarm Codes
218
30
High Pressure Cut Out – Please Wait
• When:
• Unit stop due to high pressure cutout signal
from the HPCO switch.
• · The warning will go away when the input
signal indicates normal condition.
• Indicates:
• Poor or missing cooling of the refrigerant.
• Action:
• The state will stop / remove the compressor
run signal.
• The state will overrule regulation of the
condenser fan and starts the fan.
• This state will activate and hold warning #31
as long as the input signal indicates HPCO.
• Controller clears message on compressor
start-up.
• No direct alarm action based on this situation.
• If the state continues:
• Checkup for airflow through the condenser
coil, air flow might be blocked.
• Checkup for condenser fan rotation and
direction, must such air through the coil and
blow air out through the grill.
31
HPCO Timer Hold – Please Wait
• When:
• The warning is a timer based warning to
protect the compressor from starting at high
pressure. The warning will go away when
the holding time after HPCO gets normal
has run out.
• Indicates:
• HPCO present or has just been present.
• Action:
• The state will stop / remove the compressor
run signal.
• The state will overrule regulation of the
condenser fan and starts the fan.
• This state will activate and hold warning #31
as long as the input signal indicates HPCO.
• Controller clears message on compressor
start-up.
• No direct alarm action based on this situation.
• If the state continues:
• Checkup for airflow through the condenser
coil, air flow might be blocked.
• Checkup for condenser fan rotation and
direction, must such air through the coil and
blow air out through the grill.
Warnings and Controller Actions (Continued)
Warning
No.
Warning Message/Description
Controller Action/Corrective Action
Summary of Contents for 098203
Page 2: ......
Page 3: ...MAGNUM TK 60275 4 MM Rev 3 08 15 Copyright 2012 Ingersoll Rand EMEIA Printed in Ireland...
Page 193: ...Refrigeration Maintenance 191 Figure 163 Filter Drier...
Page 200: ...Refrigeration Maintenance 198 Figure 169 Receiver Tank Figure 170 Water Cooled Condenser Tank...
Page 257: ...255 Schematic Diagram RELEASED 19 Sep 2013...
Page 258: ...256 Wiring Diagram Page 1 of 2 RELEASED 19 Sep 2013...
Page 259: ...257 Wiring Diagram Page 2 of 2 RELEASED 19 Sep 2013...
Page 263: ......