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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

example).

2 ALArM

A flashing LED shows that the circuit is operating but

Press the Enter button

shown in the 4-digit

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.

The following list gives a complete description of each alarm code and its possible cause.

ALARM ALARM NAME

ALARM DESCRIPTION

THE CONTROL

PROBABLE CAUSE

Compressor A1 failure

compressor overtemperature protection.

down

Compressor overheat

Compressor A3 failure

Compressor B2 failure

As above

Unit shut down

As above

thermistor failure

Automatic, if temp. measured by sensor Faulty thermistor, wiring error or

disconnection

thermistor failure

As above

master/slave)

Circuit shut down, if unit As above

Defrost sensor fault, circuit B

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

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

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

Loss of communication with

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

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