Hitachi RPC-3.0FSN3 - Page 50

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P5416543
Alarm (Abnormality) Code Table
Code
No.
Category Content of Abnormality Leading Cause
01 Indoor Unit
Activation of Protection Device
(Float Switch)
Activation of Float Switch (High Water Level in
Drain Pan, Abnormality of Piping)
02 Outdoor Unit
Activation of Protection Device
(except Alarm Code: 41, 42)
High Pressure Cut (R410A: 4.15MPa), Fan Motor
Locking for Outdoor at Cooling Operation
03 Transmission
Transmission Failure between Indoor
and Outdoor
Incorrect Wiring, Loose Terminals, Disconnected
Wire, Blowout of Fuse
04-09 Abnormality of Outdoor Unit (Refer to "Installation & Maintenance Manual" of Outdoor Unit)
11
Sensor on
Indoor Unit
Inlet Air Thermister Failure
Loose Connector, Disconnected Wire,
Wire Breaking
12 Outlet Air Thermister Failure
13 Freeze Protection Thermister Failure
14 Gas Piping Thermister Failure
19 Fan Motor Abnormal Indoor Fan
Fan Motor Locking, Activation of Motor Protection
Control for Indoor Fan
20-29 Abnormality of Outdoor Unit (Refer to "Installation & Maintenance Manual" of Outdoor Unit)
31
System
Incorrect Capacity Setting of Outdoor
Unit and Indoor Unit
Incorrect Capacity Code Setting of Combination
Excessive or Insufcient Total Indoor Unit
Capacity Code
32
Incorrect Setting of Other Indoor Unit
Number
Abnormality of Other Indoor Unit in Same
Refrigerant Cycle (Failure of Power Source,
Abnormality of PCB)
35 Incorrect Setting of Indoor Unit No.
Duplication of Indoor Unit No. in Same
Refrigerant Group
36 Incorrect Indoor Unit Combination
Indoor Unit is Designed for Other Refrigerant (R22
or R407C).
38-59 Abnormality of Outdoor Unit (Refer to "Installation & Maintenance Manual" of Outdoor Unit)
b0
System
Incorrect Setting of Unit Model
No Setting of Unit Model, Incorrect Setting of Unit
Model
b1
Incorrect Setting of Unit and
Refrigerant Cycle No.
Unit No. or Refrigerant Cycle > 64
EE Compressor Compressor Protection Alarm
This alarm code appears when the alarms such
as damaged to the compressor occur three times
within 6 hours.
•
The indication of the alarm code “EE” means serious abnormality to burn out the compressor
•
In the case of the incorrect transmission wiring between indoor units for the twin and the triple combination,
the following failure will occur during the test run. Recheck the connection of the transmission between
indoor units and reconnect wirings correctly.
Failure: The transmission error is NOT indicated on the remote control switch. No.1 indoor unit will be
operated. However, other indoor units (No.2 and No.3) will NOT be operated.
Refer to “Installation & Maintenance Manual” of the outdoor unit connected to the indoor unit.
(4) for UTOPIA Series: In the case of the twin, triple and quad combination, check the air ow temperature
of each indoor unit. If there is the large different air ow temperature between the main unit and sub
unit(s) (cooling: approx. more than 10deg, heating: approx. more than 20deg.), it may be the failure of
the refrigerant piping work. Thus, recheck the refrigerant piping.
Do NOT operate the air conditioning to check the electrical wiring, etc until the preparation of the test run
is completed.
NOTICE