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Table 11 — PIC6 Alarm Codes
CODE
HITS TO
ACTIVATE
HITS TO
RESET
RESET TYPE RESPONSE MESSAGE TRIP CONDITION TROUBLESHOOTING
ALM002 5 5 AUTOMATIC
Prevent Unit Startup or
Hard Stop
ALM-002 Sensor Fault -
Entering Chilled Water
Entering chilled water temperature
(TEMP_ECW) is outside range.
Verify continuity to appropriate board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM004 5 5 AUTOMATIC
Prevent Unit Startup or
Hard Stop
ALM-004 Sensor Fault -
Leaving Chilled Water
Leaving chilled water temperature
(TEMP_LCW) is outside range.
Verify continuity to appropriate board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM005 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-005 Sensor Fault -
Comp Discharge Temp
A
Compressor discharge temperature
(TEMP_DGT_A) is outside range.
Verify continuity to appropriate board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM007 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-007 Sensor Fault -
Compressor Motor
Temp A
Compressor motor temperature
(TEMP_MTRW_A) is outside range.
Verify continuity to appropriate board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM009 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-009 Sensor Fault -
Condenser Pressure A
Condenser pressure
(PRESSURE_CND_P_A) is outside
range.
Check 5V supply from board. Check
transducer output and ground.
Replace transducer if voltage checks
out good.
ALM011 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-011 Sensor Fault -
Discharge Pressure A
Discharge pressure
(PRESSURE_DIS_P_A) is outside
range.
Check 5V supply from board. Check
transducer output and ground.
Replace transducer if voltage checks
out good.
ALM013 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-013 Sensor Fault -
Economizer Pressure A
Economizer pressure
(PRESSURE_ECO_P_A) is outside
range.
Check 5V supply from board. Check
transducer output and ground.
Replace transducer if voltage checks
out good.
ALM015 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-015 Sensor Fault -
Economizer Temp A
Economizer temperature
(TEMP_ECO_T_A) is outside range.
Verify continuity to circuit board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM017 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-017 Sensor Fault -
Evaporator Pressure A
Evaporator pressure
(PRESSURE_EVAP_P_A) is outside
range.
Check 5V supply from board. Check
transducer output and ground.
Replace transducer if voltage checks
out good.
ALM019 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-019 Sensor Fault -
Evap Refrig Liquid
Temp A
Evaporator refrigerant temperature
(TEMP_EVAP_T_A) is outside
range.
Verify continuity to circuit board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM023 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-023 Sensor Fault -
Liquid Line Press A
Liquid line pressure
(PRESSURE_LIQ_P_A) is outside
range.
Check 5V supply from board. Check
transducer output and ground.
Replace transducer if voltage checks
out good.
ALM025 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-025 Sensor Fault -
Liquid Line Temp A
Liquid line temperature
(TEMP_LIQ_T_A) is outside range.
Verify continuity to circuit board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM029 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-029 Sensor Fault -
Oil Supply Pressure A
Oil Supply Pressure
(PRESSURE_OIL_DP_A) is outside
range.
Check 5V supply from board. Check
transducer output and ground.
Replace transducer if voltage checks
out good.
ALM033 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-033 Sensor Fault -
Oil Sump Pressure A
Oil Sump Pressure
(PRESSURE_OILPSMPA) is outside
range.
Check 5V supply from board. Check
transducer output and ground.
Replace transducer if voltage checks
out good.
ALM035 5 5 AUTOMATIC
Prevent Circuit Startup
or Hard Stop
ALM-035 Sensor Fault -
Oil Sump Temp A
Oil Sump temperature
(TEMP_OILTSMPA) is outside
range.
Verify continuity to circuit board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM041 5 5 AUTOMATIC
Prevent Unit Startup or
Hard Stop
ALM-041 Sensor Fault -
Vaporizer Temp Cir A
Vaporizer temperature
(TEMP_VAP_TEMP) is outside
range.
Verify continuity to circuit board.
Verify voltage and ohm reading
across sensor. Replace sensor if
ohm reading is incorrect based on
temperature.
ALM042 5 5 AUTOMATIC
Prevent Unit Startup or
Hard Stop
ALM-042 Sensor Fault -
Condenser Liquid Level
Input A
Units with TP compressors only.
Condenser liquid level sensor voltage
is outside the normal range.
Verify level sensor resistance.
Resistance between red and black
wires across the sensor should be
approximately 1800 ohms when
unconnected.
ALM101 0 0 MANUAL
Prevent Unit Startup or
Hard Stop
ALM-101 LEN Scan
Error
An error was detected in the LEN
serial driver
Cycle power.
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