Carrier 30WG Operation Instructions Manual page 34

Alarm codes (cont.)
Code Description
10101 Free Cooler Process Failure
15046 FreeCooler Water Loop Thermistor Failure
15047 FreeCooler Leaving Water Thermistor Failure
15048 FreeCooler OAT Sensor Failure
Service and factory
7001 Illegal configuration
90nn Master/Slave configuration error
Master/Slave failure
13nnn 001: Circuit A Loss of charge
002: Circuit B Loss of charge
003: Water loop size warning
004: Maintenance servicing required
005: F-Gas Scheduled Check required
Condenser water loop failure (111-nn)
11102 Condenser water loop failure - zero error
11103 Condenser water loop failure - water press too low
11104 Condenser water loop failure - pump not started
11106 Condenser water loop failure - pump overload
11107 Condenser water loop failure - switch fail
11108 Condenser water loop failure - press cross
Cooler water loop process failure (112-nn)
11202 Cooler water loop process failure - zero error
11203 Cooler water loop failure - water press too low
11204 Cooler water loop failure - pump not started
11206 Cooler water loop failure - pump overload
11207 Cooler water loop failure - switch fail
11208 Cooler water loop failure - press cross
Device failure
19nnn Cooler Water pump Variable Speed Failure
20nnn Condenser Water pump Variable Speed Failure
57001 SIOB 1 Low Voltage Failure
57002 SIOB 2 Low Voltage Failure
57020 Main EXV stepper motor failure - cir A
57021 Main EXV stepper motor failure - cir B
NOTE: When the "action taken" given in the table above is defined as "none", it means that the alarm message is
displayed, but no action is taken on the unit.
34
Possible cause Action taken
Dry cooler fault None
Defective thermistor Free cooling (dry cooler)
mode is stopped
As above As above
As above OAT thermistor reading is
used instead of Dry Cooler
OAT reading
No factory Unit cannot be started
configuration
Configuration failure Master/slave operation is
disabled and the unit
returns to the stand-alone
mode
Servicing action Depending on the severity
required / Contact of the alarm, the unit may
Manufacturer Service continue to operate or the
Agency unit shuts down
Calibration failed Unit shuts down
Entering water pressure Unit shuts down
under 60 kPa
Too low or high water Unit shuts down
pressure reading
Water loop pressure Unit shuts down
drop too low
Switch fault Unit shuts down
Pressure sensors Unit shuts down
crossed
Calibration failed Unit shuts down
Entering water pressure Unit shuts down
under 60 kPa
Too low or high water Unit shuts down
pressure reading
Water loop pressure Unit shuts down
drop too low
Switch fault Unit shuts down
Pressure sensors Unit shuts down
crossed
Speed controller fault Unit shuts down
As above As above
Unstable electrical Unit shuts down
supply or electrical
issue
As above As above
EXV motor fault Circuit A shuts down
EXV motor fault Circuit B shuts down
Reset type
Automatic, if operating
conditions return to normal
Automatic, if thermistor
reading returns to normal
As above
As above
Automatic, if configuration is
provided
Automatic, if master/slave
configuration returns to
normal or the unit returns to
the standalone mode
Manual
Automatic
Automatic (6 times within 24
hours); otherwise, manual
As above
Automatic
Automatic (6 times within 24
hours); otherwise, manual
As above
Automatic
Automatic (6 times within 24
hours); otherwise, manual
As above
Automatic
Automatic (6 times within 24
hours); otherwise, manual
As above
Automatic, if detected fault is
fixed
As above
Automatic (if water pressure
reading returns to normal and
the alarm occurred up to 6
times in the last 24h);
otherwise, Manual
As above
Manual
Manual