60
N. DIAGNOSTICS
N.2.1. Cooling Alarm Codes and
Diagnostics
All Core Command come standard with a
7-segment diagnostic display. During standby
mode with no fault codes present, the display
will read “0” (zero). During normal thermostat
heating, cooling or continuous fan operation, a
letter will be displayed to describe the mode of
operation as follows:
C = Cooling
F = Continuous Fan Operation
H = Gas Heating Operation
When the control senses a fault present, it will
display a code to help in diagnoses. A list of
normal operating codes and potential fault
codes follows:
Alarm Codes - Cooling Only
CODE
DESCRIPTION
FAULT LEVEL
0
Standby
None
c
Compressor On – Low (Flashing If In Time Delay)
None
C
Compressor On – High (Flashing If In Time Delay)
None
E
Economizer Cooling – No Compressor
None
F
Continuous Fan
None
4
Comfort Alert Code 4 For Compressor Circuit 1
Shutdown
5
Comfort Alert Code 5 For Compressor Circuit 1
Shutdown
6
Comfort Alert Code 6 For Compressor Circuit 1
Shutdown
7
Comfort Alert Code 7 For Compressor Circuit 1
Shutdown
8
Comfort Alert Code 8 For Compressor Circuit 1
Shutdown
9
Comfort Alert Code 9 For Compressor Circuit 1
Shutdown
20
Refrigerant Low Pressure Switch Open – Circuit 1
Problem
29
Refrigerant High Pressure Switch Open – Circuit 1
Problem
49
Freeze Switch Open – Circuit 1
Problem
59
Condensate Drain Plugged
Shutdown
83
Condenser Coil Temp Sensor Fail-Oct
Problem
84
Outdoor Air Temperature Sensor Fail-Oat
Problem
88
Emergency Stop Fault
Shutdown
93
Control Fault
Shutdown
97
Smoke Detection
Shutdown
The method for displaying a two-digit fault is to
display the first digit for one second immediately
followed by the second digit – which is also
displayed for a duration of one second. A ½
second pause is then displayed. Cycle repeats
until the fault is cleared. Each fault is flashed
(displayed) a minimum of two times even if the
fault condition has cleared before the fault can
be displayed twice.
0
Displayed anytime there is no fault present and no thermostat call present
c
COMPRESSOR ON - Low (Flashing if in time delay)
C
COMPRESSOR ON - High (Flashing if in time delay)
E
When the system uses Economizer Cooling with No Compressor
F
Displayed anytime thermostat calls for continuous fan
Normal Operation Mode:
Содержание Climate Master RGED Series
Страница 2: ...2 62 ...
Страница 88: ...88 P APPENDICES Appendix C Air Flow Performance Data ...
Страница 90: ...90 P APPENDICES Appendix C Air Flow Performance Data Cont ...
Страница 92: ...92 P APPENDICES Appendix C Air Flow Performance Data Cont ...
Страница 94: ...94 P APPENDICES Appendix C Air Flow Performance Data Cont ...
Страница 159: ...159 ...