Carrier AQUASNAP 30RB060-390 Controls, Start-Up, Operation, Service And Troubleshooting Instructions page 62

PREFIX SUFFIX
DESCRIPTION
CODE CODE
.01 Circuit A Discharge Transducer
.02 Circuit B Discharge Transducer
.03 Circuit C Discharge Transducer
.04 Circuit A Suction Transducer
.05 Circuit B Suction Transducer
Pr
.06 Circuit C Suction Transducer
Circuit A Reclaim Pumpdown
.07
Pressure Transducer
Circuit B Reclaim Pumpdown
.08
Pressure Transducer
Sr .nn Service Maintenance Alert
Water Exchanger Entering
.01
Fluid Thermistor Failure
Water Exchanger Leaving Fluid
.02
Thermistor Failure
Circuit A Defrost Thermistor
.03
Failure
Circuit B Defrost Thermistor
.04
Failure
Reclaim Condenser Entering
.08
Thermistor
Reclaim Condenser Leaving
.09
Thermistor
.10 OAT Thermistor Failure
th
Master/Slave Common Fluid
.11
Thermistor
Circuit A Suction Gas
.12
Thermistor
Circuit B Suction Gas
.13
Thermistor
Circuit C Suction Gas
.14
Thermistor
Circuit A Condenser Subcool-
.18
ing Liquid Thermistor
Circuit B Condenser Subcool-
.19
ing Liquid Thermistor
Space Temperature Sensor
.21
Failure
EMM — Energy Management Module
EWT — Entering Water Temperature
EXV — Electronic Expansion Valve
HR — Heat Reclaim
LWT — Leaving Water Temperature
MOP — Maximum Operating Pressure
Table 41 — Alarm Codes (cont)
REASON FOR ALARM
Measured voltage is
0 vdc
Field programmed
elapsed time has expired
for maintenance item
Temperature measured
by the controller is less
than -40 F (-40 C) or
greater than 240 F
(115.6 C)
Temperature measured
by the controller is less
than -40 F (-40 C) or
greater than 240 F
(115.6 C)
LEGEND
OAT — Outdoor Air Temperature
PTC — Positive Temperature Coefficient
SCT — Saturated Condensing Temperature
SPM — Scroll Protection Module
SST — Saturated Suction Temperature
62
ACTION TAKEN RESET
BY CONTROL TYPE
Circuit shut down
or not allowed to Automatic
start.
The affected cir-
cuit shall return to Automatic
air cooled mode
None Manual
Unit will be shut
down or not Automatic
allowed to start.
None Automatic
Unit shall return
to the standard air
cooled mode.
Automatic
None
Unit is shut down
or not allowed to
start. Cooler/
Pump heaters are
energized
Automatic
Dual Chiller deac-
tivated. Master
and Slave
machines oper-
ate in stand alone
mode
Circuit shut down
Circuit shut down Automatic
Circuit shut down
Unit shall return
to the standard air
cooled mode.
Automatic
Temperature
Reset based on
Space Tempera-
ture disabled
PROBABLE CAUSE
Faulty transducer, wiring
error, failed Main Base
Board or Fan Board 3.
Compressor circuit
breaker tripped.
Faulty transducer, wiring
error, failed EMM HR
board.
Maintenance required
(see Table 44).
Faulty thermistor, wiring
error, failed Main Base
Board.
Configuration error.
Faulty thermistor, wiring
error, failed EMM HR
board.
Faulty thermistor, wiring
error, failed Main Base
Board.
Faulty thermistor, wiring
error, failed Main Base
Board or EXV Board
Faulty thermistor, wiring
error, failed EMM HR
board.
Faulty thermistor, wiring
error, failed Main Base
Board.