Honeywell SmartVFD HVAC MR4, User Manual

Page: 162 / 164

HVAC A
PPLICATION
Honeywell
• 90
Table 55. Fault codes and descriptions
53 1053
Fieldbus com-
munication
fault
The data connection between the field-
bus master and fieldbus board is broken Check installation and field-
bus master.
54
1354
1454
1654
1754
Slot A fault
Slot B fault
Slot D fault
Slot E fault
Defective option board or slot Check board and slot
65 1065
PC communi-
cation fault The data connection between the PC
and drive is broken
66 1066
Thermistor
fault The thermistor input has detected an
increase of motor temperature
Check motor cooling and
load.
Check thermistor connection
(If thermistor input is not in
use it has to be short cir-
cuited)
68
1301
Maintenance
counter 1
alarm
Maintenance counter has reached the
alarm limit.
Carry out the needed mainte-
nance and reset counter.
1302
Maintenance
counter 1 fault Maintenance counter has reached the
fault limit.
1303
Maintenance
counter 2
alarm
Maintenance counter has reached the
alarm limit.
1304
Maintenance
counter 2 fault Maintenance counter has reached the
fault limit.
1305
Maintenance
counter 3
alarm
Maintenance counter has reached the
alarm limit.
1306
Maintenance
counter 3 fault Maintenance counter has reached the
fault limit.
69
1310
Fieldbus map-
ping error
Non-existing ID number is used for map-
ping values to Fieldbus Process Data
Out. Check parameters in Field-
bus Data Mapping menu
(chapter 3.5.8).
1311
Not possible to convert one or more val-
ues for Fieldbus Process Data Out.
The value being mapped may
be of undefined type. Check
parameters in Fieldbus Data-
Mapping menu (chapter
3.5.8).
1312
Overflow when mapping and converting
values for Fieldbus Process Data Out
(16-bit).
101 1101
Process super-
vision fault
(PID1) PID controller: Feedback value outside
of supervision limits (and the delay if
set).
105 1105
Process super-
vision fault
(PID2) PID controller: Feedback value outside
of supervision limits (and the delay if
set).
Fault
code
ID Fault name Possible cause Remedy