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Table 17 — PIC 5 Alarm Codes
ALARM
CODE
(ALARMRST)
ALARM TEXT
DESCRIPTION
RESET TYPE
ACTION TAKEN
BY CONTROL
POSSIBLE CAUSE
TEMPERATURE SENSOR FAULTS
Alm-200
ALM-200 Sensor Fault —
Leaving Chilled Water
Automatic if the temperature mea-
sured 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.
Check IOB channel type configurations.
Alm-201
ALM-201 Sensor Fault —
Entering Chilled Water
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between enter-
ing chilled water temperature sensor
and IOB connector.
Check for disconnected, grounded, or
shorted wiring.
Check IOB channel type configurations.
Alm-202
ALM-202 Sensor Fault —
Leaving Cond Water Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between leaving
condenser water temperature sensor
and IOB connector.
Check for disconnected, grounded, or
shorted wiring.
Check IOB channel type configurations.
Alm-203
ALM-203 Sensor Fault —
Entering Cond Water
Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between enter-
ing condenser water temperature sen-
sor and IOB connector.
Check for disconnected, grounded, or
shorted wiring.
Check IOB channel type configurations.
Alm-204
ALM-204 Sensor Fault —
Comp Discharge Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between com-
pressor discharge temperature sensor
and connector.
Check for disconnected, grounded, or
shorted wiring.
Alm-205
ALM-205 Sensor Fault —
Oil Sump Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between oil
sump temperature sensor and IOB
connector.
Check for disconnected, grounded, or
shorted wiring.
Alm-206
ALM-206 Sensor Fault —
Oil Supply Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between oil sup-
ply temperature sensor and IOB
connector.
Check for disconnected, grounded, or
shorted wiring.
Alm-207
ALM-207 Sensor Fault —
Evap Refrig Liquid Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between evapo-
rator refrigerant liquid temperature sen-
sor and IOB connector.
Check for disconnected, grounded, or
shorted wiring.
Alm-208
ALM-208 Sensor Fault —
Low Speed Motor End
Bearing Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between low
speed motor end bearing temperature
sensor and IOB connector.
Check for disconnected, grounded, or
shorted wiring.
Check IOB channel type configurations.
Alm-209
ALM-209 Sensor Fault —
Low Speed Comp End
Bearing Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between low
speed compressor end bearing tem-
perature sensor and IOB connector.
Check for disconnected, grounded, or
shorted wiring.
Check IOB channel type configurations.
Alm-210
ALM-210 Sensor Fault —
High Speed Motor End
Bearing Temp
Automatic if the temperature mea-
sured by the sensor returns to normal
Unit shuts down
Check sensor resistance.
Check for proper wiring between high
speed motor end bearing temperature
sensor and IOB connector.
Check for disconnected, grounded, or
shorted wiring.
Check IOB channel type configurations.
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