70
P00877Q
Table 9.2 Alarm Code
Code
Category
Content of Abnormality
Leading Cause
01
Indoor Unit
Activation of Protection Device (Float Switch)
Activation of Float Switch (High Water Level in
Condensation Drainage Pan, Problem with Drain Piping,
Float Switch, or Condensation Drainage Pan)
02
Outdoor Unit
Activation of Protection Device
(High Pressure Cut)
Activation of PSH (Pipe Clogging, Excessive
Refrigerant, Inert Gas Mixing)
03
Communication
Operational Irregularities between
Indoor and Outdoor
Incorrect Wiring, Loose Terminals, Disconnected Wire,
Blown Fuse, Outdoor Unit Power OFF
04
04.
Problem between Inverter PCB and
Outdoor PCB
Problem between Fan Controller and
Outdoor PCB
Inverter PCB - Outdoor PCB Communication Failure
(Loose Connector, Wire Breaking, Blown Fuse)
Fan Controller - Outdoor PCB Communication Failure
(Loose Connector, Wire Breaking, Blown Fuse)
05
Supply Phase Problem of Power Source Phases
Incorrect Power Source, Connection to
Reversed Phase, Open-Phase
06
Voltage
Abnormal Inverter Voltage
Outdoor Voltage Drop, Insufficient Power Capacity
06.
Abnormal Fan Controller Voltage
Outdoor Voltage Drop, Insufficient Power Capacity
07
Cycle
Decrease in Superheated Discharge Gas
Excessive Refrigerant Charge, Failure of Thermistor,
Incorrect Wiring, Incorrect Piping Connection,
Expansion Valve Locking at Opened Position
(Disconnect Connector)
08
Increase in Discharge Gas Temperature
Insufficient Refrigerant Charge, Pipe Clogging,
Failure of Thermistor, Incorrect Wiring,
Incorrect Piping Connection, Expansion Valve
Locking at Closed Position (Disconnect Connector)
0A
Communication Problem between Outdoor and Outdoor
Incorrect Wiring, Broken Wire, Loose Terminals
0b
Outdoor Unit
Incorrect Outdoor Unit Address Setting
Duplication of Address Setting for Outdoor Units
(Sub Units) in Same Refrigerant System
0C
Incorrect Outdoor Unit Main Unit Setting
Two (or more) Outdoor Units Set as “Main Unit”
Exist in Same Refrigerant System
11
Sensor on
Indoor Unit
Inlet Air Thermistor
Incorrect Wiring, Disconnected Wiring
Breaking Wire, Short Circuit
Incorrect Wiring, Severed or Disconnected Wiring,
Short Circuit
12
Outlet Air Thermistor
13
Freeze Protection Thermistor
14
Gas Piping Thermistor
Outdoor Air Thermistor (ECONO)
Remote Sensor (DOAS)
Thermistor Built-in Remote Controller (DOAS)
19
Fan Motor
Activation of Protection Device for Indoor Fan
Fan Motor Overheat, Lockup
21
Sensor on
Outdoor Unit
High Pressure Sensor
22
Outdoor Air Thermistor
23
Discharge Gas Thermistor on Top of Compressor
24
Heat Exchanger Liquid Pipe Thermistor
25
Heat Exchanger Gas Pipe Thermistor
29
Low Pressure Sensor
15
16
17
Содержание (H,Y)VAHP072B31CW
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Страница 80: ...P00877Q Code No LIT 12012285 Issued March 2016 2016 Johnson Controls Inc ...