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If you found this page, you probably have a problem and you need a user manual for the device Carrier AQUASNAP 30RA/RH. Be sure to check that it is the user manual to exactly the device that you are looking for. In our database Carrier AQUASNAP 30RA/RH it belongs to the category Air Conditioner. A user manualCarrier AQUASNAP 30RA/RH is taken from the manufacturer, a Carrier company - it is an official document, so if you have any doubts as to its contents, please contact the manufacturer of the device Carrier AQUASNAP 30RA/RH directly. You can view the user manualCarrier AQUASNAP 30RA/RH directly online or save and store it on your computer.

- DIAGNOSTICS - TROUBLESHOOTING
This means that an alarm can be reset without stopping the
machine. In the event of a power supply interrupt, the unit
restarts automatically without the need for an external com-
mand. However, any faults active when the supply is inter-
rupted are saved and may in certain cases prevent a circuit or a
The PRO-DIALOG control system has many fault tracing aid
functions. The local interface and its various menus give access unit from restarting.
to all unit operating conditions. The test function makes it
possible to run a quick test of all devices on the unit. If an
operating fault is detected, an alarm is activated and an alarm
A manual reset must be run from the main interface using the
RESET OF ACTIVE ALARMS
ITEM NUMBER PRESS MENU
6.2 - Displaying alarms
Hold down the MENU
alarms lights. The 4-
number of active
The alarm LEDs on the summary interface (see section 4.1)
give a quick display of the status of each circuit and the unit as
0
example).
2 ALArM
A flashing LED shows that the circuit is operating but
Press the Enter button
shown in the 4-digit
0
rESEt ALArM
A steady LED shows that the circuit has been shut down
The Alarm menu on the main interface displays up to 5 fault
Press the Enter button
reset. 'Good' is
then, 2 AL
displayed for 2 seconds
then, 'no ALArM'.
.3 - Resetting alarms
When the cause of the alarm has been corrected the alarm can
be reset, depending on the type, either automatically on return
to normal, or manually when action has been taken on the unit.
6
The following list gives a complete description of each alarm code and its possible cause.
ALARM ALARM NAME
ALARM DESCRIPTION
THE CONTROL
PROBABLE CAUSE
Carrier 30ran chiller
Compressor A1 failure
compressor overtemperature protection.
down
Compressor overheat
3
6
9
Compressor A3 failure
Compressor B2 failure
As above
As above
As above
Unit shut down
As above
As above
As above
As above
As above
As above
As above
thermistor failure
Automatic, if temp. measured by sensor Faulty thermistor, wiring error or
disconnection
0
thermistor failure
As above
As above
As above
11
As above
As above
master/slave)
2
Circuit shut down, if unit As above
1
1
4
Defrost sensor fault, circuit B
As above
As above
As above
As above
Discharge pressure transducer Voltage delivered by the sensor is incorrect Circuit A shut down
Automatic if the voltage delivered by the Defective transducer, wiring fault
1
1
7
Discharge pressure transducer Value read by the sensor is outside range
Circuit B shut down
As above
failure, Circuit A
Voltage delivered by the sensor is incorrect Circuit A shut down
As above
failure, Circuit B
Circuit B shut down
As above
2
2
The clock board is no longer detected
Automatic if board is detected again

Carrier 30rap Chiller Manual

Loss of communication with
Communication has been lost with the slave Circuit B shut down
Automatic if communication is re-
Bus wiring fault, wrong software in slave

Carrier 30ran022

2
3
Loss of communication with
Carrier 30ran022
Communication has been lost with the
Compressors A3 + B3
As above
Loss of communication with PD- Communication has been lost with the
4 x DO slave board electric heating stage control board
shut down
3

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November 15, 2020

Carrier chiller alarm codes; The following list gives a complete description of each alarm code and its possible cause. Katy perry all songs download.

Alarm CodesDescription
1Evaporator entering fluid thermistor failure
2Evaporator leaving fluid thermistor failure
3Condenser entering fluid thermistor failure
4Condenser leaving fluid thermistor failure
5Condenser entering fluid thermistor failure
6Condenser leaving fluid thermistor failure
7Outdoor temperature sensor fault
8CHWS (master/slave) fluid thermistor fault
9Compressor A1, discharge gas sensor
10Compressor A2, discharge gas sensor
11Compressor B1, discharge gas sensor
12Compressor B2, discharge gas sensor
13External 0-10 V dc signal fault
14Discharge pressure transducer failure,circuit A
15Discharge pressure transducer failure, circuit
B
16Suction pressure transducer failure, crt A
17Suction pressure transducer failure, crt B
18Oil pressure transducer failure, compr A1
19Oil pressure transducer failure, compr A2
20Oil pressure transducer failure, compr B1
21Oil pressure transducer failure, compr B2
22Economizer A1 transducer failure
23Economizer A2 transducer failure
24Economizer B1 transducer failure
25Economizer B2 transducer failure
26Pressure sensor failure - coil pump down
circuit A
27Pressure sensor failure - coil pump down
circuit B
28Fault in the motor cooling valve position
sensor, circuit A
29Fault in the motor cooling valve position
sensor, circuit B
30Loss of communication with SCPM A1 board
31Loss of communication with SCPM A2 board
32Loss of communication with SCPM B1 board
33Loss of communication with SCPM B2 board
34Loss of communication with EXV board
35Loss of communication with fan board #1
36Loss of communication with fan board # 2
37Loss of communication with auxiliary board
type 1
38Loss of communication with heat reclaim or
evaporator heater board
39'CCN/clock board' fault
40Control box thermostat fault or phase reversal
41Unit emergency stop
42Initial factory configuration
required
43-nIllegal initial factory configuration
43-1Compr A capacity too high
43-2Compr B2 configured and compressor B1 absent
43-3Fan configured for a water-cooled
condenser
43-4Fans not configured
43-5Heat reclaim option configured
and reclaim sensors configured
44Discharge pressure circuit A too
high
45Discharge pressure circuit B too
high
46Oil solenoid failure, compressor
A1
47Oil solenoid failure, compressor
A2
48Oil solenoid failure, compressor
B1
49Oil solenoid failure, compressor
B2
50Pre-start oil pressure,
compressor A1
51Pre-start oil pressure,
compressor A2
52Pre-start oil pressure,
compressor B1
53Pre-start oil pressure,
compressor B2
54Oil level circuit A low
55Oil level circuit B low
56Low saturated suction temp, crt A
57Low saturated suction temp,
circuit B
58High saturated suction temp,
circuit A
59High saturated suction temp,
crt B
60Low discharge superheat,
circuit A
61Low discharge superheat, crt B
62Max. oil pressure difference,
compressor A1
63Max. oil pressure difference,
compressor A2
64Max. oil pressure difference,
compressor B1
65Max. oil pressure difference,
compressor B2
66Loss of commuincation with
System Manager
67Loss of communication with
master or slave unit
68Low oil pressure compr A1
69Low oil pressure compr A2
70Low oil pressure compr B1
71Low oil pressure compr B2
72Evaporator frost protection
73Condenser frost protection, circuit
A
74Condenser frost protection, circuit
B
75Evaporator water flow control
failure
76Condenser water flow loss
77High current, compressor A1
78High current, compressor A2
79High current, compressor B1
80High current, compressor B2
81Pump 1 fault
82Pump 2 fault
83Heat reclaim mode fault, circuit A
84Heat reclaim mode fault, circuit B
85Water flow fault, heat reclaim
condenser
86-nnMaster/slave configuration fault
87-nMaintenance alert
87-1Charge too low
87-2Water loop too low
87-3Air filter maintenance delay elapsed
87-4Pump 1 maintenance delay elapsed
87-5Pump 2 maintenance delay elapsed
87-6Water filter maintenance delay
elapsed

Carrier chiller alarmcodes

  • 30GX and 30HXC series
  • PRO-DIALOG Control
  • Screw-Compressor Air- and
  • Water-Cooled Liquid Chillers
  • 50 Hz

The PRO-DIALOG Plus control system has many fault tracing aid functions. The local interface and its various menus give access to all unit operating conditions. The test function makes it possible to run a quick test of all devices on the unit. If an operating fault is detected, an alarm is activated and an alarm code is stored in the Alarm menu.

DIAGNOSTICS – TROUBLESHOOTING



Carrier 30ran018

Resetting alarms

When the cause of the alarm has been corrected the alarm can be reset, depending on the type, either automatically on return to normal, or manually when action has been taken on the unit. Alarms can be reset even if the unit is running. This means that an alarm can be reset without stopping the machine. In the event of a power supply interrupt, the unit restarts automatically without the need for an external com- mand. However, any faults active when the supply is inter- rupted are saved and may in certain cases prevent a circuit or a unit from restarting. A manual reset must be run from the main interface using the following procedure:

Carrier Chiller RESET OF ACTIVE ALARMS

Carrier Local interface general features


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