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8 - DIAGNOSTICS
52
FC-n0
53
FC-01
54
P-30
55
P-219
56
A1-03
57
B1-03
58
C1-03
59
DB-01
60
LS-01
61
P-50
62
P-51
63
P-52
64
P-08
65
P-09
66
P-10
67
P-11
68
P-12
69
P-13
70
Sr-05
71
P-213
72
S0-01
73
S0-02
74
S0-03
75
V1-01
76
Ca-01
52
Number # nn
No factory configuration
Illegal factory configuration
Number #1 to nn
Master/Slave communication
Dirty Filter Alert
Compressor A High Pressure
Switch protection
Compressor B High Pressure
Switch protection
Compressor C High Pressure
Switch protection
Database module Failure
Lenscan module Failure
EXV stepper motor failure A
EXV stepper motor failure B
EXV stepper motor failure THR
High Suction Superheat A
High Suction Superheat B
High Suction Superheat THR
Low Suction Superheat A
Low Suction Superheat B
Low Suction Superheat THR
Fgas check needed, call your
maintenance company
Possible Excess Building Air
Leakage,
Check Doors and Windows
Circuit A SIOB Low Voltage Failure
Circuit B SIOB Low Voltage Failure
Circuit C SIOB Low Voltage Failure
Circuit A Compressor VFD Failure
Return Fan Calibration Not Set
date has passed
The unit size has not
Automatic when the
been configured
configuration is
entered
The unit size has
Manual
been configured with
the wrong value
Automatic when
CCN installation bus
communication
defective
is re-established
Automatic
The airflow filter
contact is open
Manual
-
Manual
-
Manual
-
Automatic
Contact Carrier
Service
Automatic
Contact Carrier
Service
Manual
-
Manual
-
As above
As above
Manual
-
Manual
-
As above
As above
Manual
-
Manual
-
As above
As above
Automatic
Contact Carrier
Service
In some situations or
Automatic
occasions
many doors and
windows (or Tent
like structure ) may
be open so that
no matter what the
control does
the building pressure
will be close
to zero.
Conditional
SIOB board has a
micro power cut
Conditional
As above
Conditional
As above
Compressor driver
Automatic
has detected
abnormal running
status of VSPD
compressor. The
error relay on the
driver is opened
Automatic
Return Fan not
calibrated
Unit is shut down
As above
Unit goes into
autonomous mode
None
Circuit A shuts down
Circuit B shuts down
Circuit C shuts down
Software problem.
Unit shuts down
Software problem. Unit
shuts down
Circuit A shuts down
Circuit B shuts down
Circuit THR shuts down
Circuit A shuts down
Circuit B shuts down
Circuit THR shuts down
Circuit A shuts down
Circuit B shuts down
Circuit THR shuts down
Regular FGAS check
needed
None, partial alarm.
All outputs in SIOB
board are cut off,
managed by SIOB board
itself.
SmartVu will take control
of SIOB board once the
board is successfully
reset.
As above
As above
VSPD compressor shuts
down.
Once driver error relay
return back to closed
state, then compressor
is allowed to start.
Unit is shut down
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