Malfunction Of Transmission Between Indoor And Outdoor Units In The Same System - Daikin VRV K Manual

SI-95.BOOK Page 108 Friday, March 31, 2000 10:59 AM
Troubleshooting
2.32 Malfunction of Transmission Between Indoor and Outdoor Units in the Same
System
U U U U 9 9 9 9
Remote Controller
Display
I Malfunction of transmission between indoor and outdoor of other system
Supposed Causes
I Malfunction of electronic expansion valve in indoor unit of other system
I Defect of PC board of indoor unit in other system
I Improper connection of transmission wiring between indoor and outdoor unit
Troubleshooting
108
"U9"
YES
has been displayed for 2
minutes or more.
NO
Turn on all indoor units.
The "UA"
display blinks on
the remote controllers of other
units within the same
refrigerant
system.
The "A1"
display blinks on
YES
the remote controllers of other
units within the same
refrigerant
system.
NO
The "A9"
display blinks on
YES
the remote controllers of other
units within the same
refrigerant
system.
NO
The "U4"
display blinks on
YES
the remote controllers of other
units within the same
refrigerant
system.
NO
Si-95
Re-diagnose by display after passage
of 2 minutes or more.
Refer to failure disgnosis for "UA"
malfuntion code.
Refer to failure diagnosis for "A1"
malfunction code.
Refer to failure diagnosis for "A9"
malfunction code.
Refer to failure diagnosis for "U4"
malfunction code.
Refer to failure diagnosis for "U5"
malfunction code.
(VF058)
Troubleshooting Inverter K Series