Carrier 38TDB Guía para resolver problemas Pagina 12

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Software Revs 3,5,6,8,10, 12 Infinity /Evolution Troubleshooting (Rev. 2)
10-12-2006
12
Outdoor Unit Generated Fault Descriptions Cntd.
Flash Code on Outdoor
Board
Fault Description User Interface Display Action
38TDB, YDB
598B, 698B
24ANA, 25HNA
187A, 180A,
286A, 288A
Original
Models
-A models
6 71 Low Capacity
Thermal Cutout
LO THERMAL
CUTOUT in
fault history
No display on
main screen
THERMAL
CUTOUT IN
LOW STAGE in
fault history
No display on
main screen
Voltage present on run
capacitor in lo speed then
disappears. Possible causes
are internal compressor
overload trip or start relay not
releasing.
6 72 High Capacity
Thermal Cutout
HI THERMAL
CUTOUT in
fault history
No display on
main screen
THERMAL
CUTOUT IN
HIGH STAGE in
fault history
No display on
main screen
Voltage present on run
capacitor in hi speed then
disappears. Possible causes
are internal compressor
overload trip or start relay not
releasing.
6 47 No high voltage to
outdoor unit
VC STARTUP
VOLTS in fault
history
No display on
main screen
NO 230V AT
COMPRESSOR
in fault history
SYSTEM
MALFUNCTION
on main screen
Voltage not present on run
capacitor when compressor
should be starting. Possible
causes: disconnect removed or
high voltage not connected.
6 81 Low Capacity thermal
Lockout
LO COMP
CUTOUT in
fault history
No display on
main screen for
older platform
outdoor unit
THERMAL
LOCKOUT IN
LOW STAGE 4
HOURS in fault
history
SYSTEM
MALFUNCTION
on main screen
Control detectes thermal cutout
in 3 consicutive low stage. On
cyles
6 82 Hi Capacity thermal
Lockout
HI COMP
CUTOUT in
fault history
SYSTEM
MALFUNCTION
on main screen
HERMAL
LOCKOUT IN
HIGH STAGE 4
HOURS in fault
history
SYSTEM
MALFUNCTION
on main screen
Thermal cutout occurs in three
consecutive high cycles in new
platform outdoor units. On older
platform 2-stage units, or a
combination of 3 hi and low
cycles will cause this event.
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