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