Carrier PIC 5+ - Alarm Codes

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6.4.1 - General Alarm Codes
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

Alm-200 ALM-200 Sensor Fault - Leaving
Chilled Water
Automatic if the temperature
measured by the sensor
returns to normal
Unit shuts down Check sensor resistance.
Check for proper wiring between LEAVING CHILLED WATER
Temperature Sensor and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-201 ALM-201 Sensor Fault -
Entering Chilled Water
As above As above Check sensor resistance.
Check for proper wiring between Entering Chilled Water Sensor and
IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-202 ALM-202 Sensor Fault - Leaving
Cond Water Temp
As above As above Check sensor resistance.
Check for proper wiring between Leaving Cond Water Temp Sensor
and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-203 ALM-203 Sensor Fault -
Entering Cond Water Temp
As above As above Check sensor resistance.
Check for proper wiring between Entering Cond Water Temp Sensor
and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-204 ALM-204 Sensor Fault - Comp
Discharge Temp
As above As above Check sensor resistance.
Check for proper wiring between Comp Discharge Temp Sensor and
connector.
Check for disconnected, grounded, or shorted wiring.
Alm-205 ALM-205 Sensor Fault - Oil
Sump Temp
As above As above Check sensor resistance.
Check for proper wiring between Oil Sump Temp Sensor and IOB
connector.
Check for disconnected, grounded, or shorted wiring.
Alm-206 ALM-206 Sensor Fault - Oil
Supply Temp
As above As above Check sensor resistance.
Check for proper wiring between Oil Supply Temp Sensor and IOB
connector.
Check for disconnected, grounded, or shorted wiring.
Alm-207 ALM-207 Sensor Fault - Evap
Refrig Liquid Temp
As above As above Check sensor resistance.
Check for proper wiring between Evap Refrig Liquid Temp Sensor and
IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-208 ALM-208 Sensor Fault - Low
Speed Motor End Bearing Temp
As above As above Check sensor resistance.
Check for proper wiring between Low Speed Motor End Bearing Temp
Sensor and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-209
ALM-209 Sensor Fault - Low
Speed Comp End Bearing Temp
As above As above Check sensor resistance.
Check for proper wiring between Low Speed Comp End Bearing
Temp 2 Sensor and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-210
ALM-210 Sensor Fault - High
Speed Motor End Bearing Temp
As above As above Check sensor resistance.
Check for proper wiring between High Speed Motor End Bearing
Temp Sensor and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-211
ALM-211 Sensor Fault - High
Speed Comp End Bearing Temp
As above As above Check sensor resistance.
Check for proper wiring High Speed Comp End Bearing Temp Sensor
and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-212 ALM-212 Sensor Fault - Comp
Motor Winding 1 Temp
As above As above Check sensor resistance.
Check for proper wiring between Compressor Motor Temp 1 Sensor
and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-213 ALM-213 Sensor Fault - Comp
Motor Winding 2Temp
As above As above Check sensor resistance.
Check for proper wiring between Compressor Motor Temp 2 Sensor
and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-214 ALM-214 Sensor Fault - Comp
Motor Winding 3 Temp
As above As above Check sensor resistance.
Check for proper wiring between Compressor Motor Temp 3 Sensor
and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-221 ALM-221 Sensor Fault - Thrust
Bearing Oil Temp
As above As above Check sensor resistance.
Check for proper wiring between Thrust Bearing Oil Temp Sensor and
IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-222 ALM-222 Sensor Fault –
Bearing Refrig Supply Temp
As above As above Check sensor resistance.
Check for proper wiring between Bearing Refrig Supply Temp Sensor
and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-223 ALM-223 Sensor Fault – Purge
Comp Suction Temp
As above As above Check sensor resistance.
Check for proper wiring between Purge Comp Suction Temp Sensor
and IOB connector.
Check for disconnected, grounded, or shorted wiring.
Alm-228 ALM-214 Sensor Fault –
Common CHWS Temp
As above As above Check sensor resistance.
Check for proper wiring between Common CHWS Temp Sensor and
IOB connector.
Check for disconnected, grounded, or shorted wiring.