Daikin DV PTC 14 Series, Руководство по установке

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22
Communications Troubleshooting Chart
LED LED Status
Off ● Normal condition ● None ● None ● None
1 Flash ● Communications
Failure
● Communications Failure ●
●
Depress Learn Button
Verify that bus BIAS
and TERM dipswitches
are in the ON position
●
●
Depress once quickly for
a power-up reset
Depress and hold for 2
seconds for an out-of-
box reset
2 Flashes ● Out-of-box reset
●
●
Control power up
Learn button depressed
● None ● None
Off
●
●
No Power
Communications
error
●
●
●
No power to air handler
Open fuse
Communications error
●
●
●
●
●
Check fuses and
circuit breakers;
replace/reset
Replace blown fuse
Check for shorts in
low voltage wiring in
air handler/system
Reset network by
depressing learn
button
Check data 1/ data 2
voltages
●
Turn power OFF prior to
repair
1 Steady
Flash
● No network found
●
●
Broken/ disconnected
data wire(s)
Air handler is installed as
a noncommunicating/
traditional system
●
●
●
●
Check
communications wiring
(data 1/ data 2 wires)
Check wire
connections at
terminal block
Verify air handler
installation type
(noncommunicating/
traditional or
communicating)
Check data 1/ data 2
voltages
●
●
●
Turn power OFF prior to
repair
Verify wires at terminal
blocks are securely
twisted together prior to
inserting into terminal
block
Verify data1 and data
voltages as described
above
Rapid
Flashing
● Normal network
traffic
● Control is “talking” on
network as expected
● None ● None
On Solid
●
Data 1/ Data 2
miss-wire
●
●
●
Data 1 and data 2 wires
reversed at air handler,
thermostat, or
Communicating
compatible outdoor
AC/HP
Short between data 1
and data 2 wires
Short between data 1 or
data 2 wires and R
(24VAC) or C (24VAC
common)
●
●
●
Check
communications wiring
(data 1/ data 2 wires)
Check wire
connections at
terminal block
Check data 1/ data 2
voltages
●
●
●
Turn power OFF prior to
repair
Verify wires at terminal
blocks are securely
twisted together prior to
inserting into terminal
block
Verify data1 and data
voltages as described
above
Green Receive
LED
Red
Communications
LED
Indication Possible Causes Corrective Action(s) Notes & Cautions