In Normal Condition; In Abnormal Condition - Hitachi P-AP56NAM Installations- Und Betriebshandbuch

AIR PANEL P-AP56NAMR
9.14 INDICATION OF RECEIVER KIT

9.14.1 In Normal condition

Defrost
• Defrost operation
The Def indicator (green) is turned ON during the defrosting.
The indoor fan is stopped.
The louver is fixed at the horizontal position. However, the
louver indication of LCD continues to activate.
• Operation stoppage during defrosting operation
The Run indicator (red) is turned OFF when the operation is
stopped during the defrosting.
However, the operation continues with turning ON the Def
indicator (green), and the unit is stopped after the defrost
operation is finished.
Filter sign
The cleaning period for air filter is notified by turning ON the
Filter indicator (yellow)
(The detail of cleaning method and filter cleaning time should be
referred to the installation and operation manual of the indoor
unit.)
After cleaning, point the transmitter towards the receiver kit and
press "RESET" switch to turn OFF the Filter indicator.
Central control
When " " lamp (yellow) remains turning ON, the indoor unit
is under the centralized control.
In this case, "RESET" and "On/Off" switches are only available
to control from the wireless remote control switch.
22 PMML0570 rev.0 - 01/2021

9.14.2 In Abnormal Condition

Abnormality
•
•
Example
Def
These indications are repeated until the alarm is reset.
•
•
The detail for alarm code should be referred to "Installation &
Maintenance Manual" of the indoor unit.
Power failure
•
•
•
Filter
Electric noise
There could be a case that all the indications are OFF and the
unit is stopped. This is occurred by the activation of the micro
computer for the unit protection from the electric noise.
Perform the starting procedures again.
When some troubles occur such as safety device actuation,
etc. during the test run or the normal operation, "Run" (red
lamp) flashes (0.5 second ON / 0.5 second OFF).
The alarm codes are indicated by the flashing times of "Def"
(green lamp) and "Filter" (yellow lamp).
"Def" (green): The number of flashing is shown at the tens
digit of Alarm Code.
"Filter" (yellow): The number of flashing is shown at the units
digit of Alarm Code.
3 5
Alarm
"Filter" (yellow lamp)
"Def" (green lamp)
"Def" flashes 3 times
(0.5 second ON / 0.5 second OFF)
"Filter" flashes 5 times
(0.5 second ON / 0.5 second OFF)
"Run" (red lamp) flashing (1 second ON / 1 second OFF)
indicates the abnormal transmitting (connector loose,
connector disconnection, wire breaking or incorrect wiring,
etc.) between the indoor unit and the receiver kit.
When the receiver kit is connected to the multiple indoor
units, the alarm code is indicated for each indoor unit in
order.
All the indications are OFF.
Once the unit is stopped by the power failure, the unit will not
be started again although the power recovers. Perform the
starting procedures again.
In case of instantaneous power failure within 2 seconds, the
unit will be started again automatically.