Troubleshooting With The Outdoor Unit Leds And The Remote Control: System Malfunctions - Daikin Sky Air R-407C Service Manual

ESIE02–01
1.7 Troubleshooting with the Outdoor Unit LEDs and the Remote Control:
System Malfunctions
Malfunction The table below contains an overview of the system malfunctions.
overview
If...
Outdoor unit LED
Rem. contr.
display
HAP H1P H2P
6 8 8
Note 1
Note 2
U0
6 8 7
U1
Note 2
U4
or
U5
U8
UA
Symbols and notes The table below describes the symbols and notes used in the malfunction overview.
Symbol / note
Note 1
Note 2
7
6
8
Part 3 – Troubleshooting
Then...
Location of the malfunction
Other PCB
than PCB outd. unit
— —
—
UF
—
—
—
Description
Variety of circumstances
All combinations that are not "normal" are possible
LED is ON
LED is flashing
LED is OFF
High probability of malfunction
Low probabiltiy of malfunction
No possibility of malfunction (do not replace)
Malfunction description
PCB Rem.
ind. unit contr.
— — Normal
— — Gas Shortage Detection (U0)
— — Reverse Phase (U1)
— Transmission Error between
Indoor and Outdoor Unit (U4 or
UF)
Transmission Error between
Indoor Unit and Remote Con-
trol (U5)
Transmission Error between
MAIN Remote Control and
SUB Remote Control (U8)
— Malfunctioning Field Setting
Switch (UA)
Troubleshooting
1
See page
—
3 3
3–54
3–55
3–57
4
3–60
3–61
5
3–62
3–13