Johnson Controls SABROE UniSAB III User Manual

Engineering manual - UniSAB III 1.10.8
001930 en 2021.06
309/346
Troubleshooting
Fig. 54: Error diagram no. 2
Starting reciprocating/screw comp ressor in MANUAL mode, continued
Check that input Starting request feedback,
terminals (X3/19-20), is closed. Can also be
checked in picture Service/Diagnosis/
Hardware/Digital input/PMS feedback = 1 .
Press to start compressor.
Light diode on front flashes
green
Check emergency stop and TÜV
pressure control, if any. There
must be connection between
terminals (X13/1-10).
Does
compressor
start?
PMS
error mes-
sage re-
ceived
Input
closed?
Try again
Apply jumper, or check connec-
tions from terminals (X12/17-18)
to power management system.
Is
digital
output compressor
motor start activated
when trying to start
(Digital output
diode no. 1
is on)?
Contact
Johnson Controls
Denmark
Check connection from terminals (X12/
1-2) to motor starter
Connection
OK?
Correct wiring
connection
Is there feed-
back on termi-
nals (X3/1-2)
from motor
guard? Digital
input diode no.
1 is on.
Check pre-fuses and control
voltage of motor guard.
1
OK
Correct wiring
connection
3
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No

Johnson Controls SABROE UniSAB III Specifications

General

Brand	Johnson Controls
Model	SABROE UniSAB III
Category	Control Systems
Language	English