Goodman AVPTC24B14 series, Инструкция по установке и эксплуатации

Страница: 22 / 32

22
LED LED
Status
Indication Possible Causes Corrective Action(s) Notes & Cautions
Red
Communications
LED
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
Green Receive
LED
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 legacy/ traditional
system
•
Check
communications
wiring (data 1/ data 2
wires)
•
Check wire
connections at
terminal block
•
Verify air handler
installation type
(legacy/ 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 CT™ 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
23 Communications Troubleshooting Chart