code
8
Trip:
Appears
Low
there
is
voltage
compressor voltage.
Trip: Appears when the
9
voltage imbalance value
Voltage
exceeds the set value
imbalance
(default 5%).
178, rue du Fauge - ZI Les Paluds - B.P. 1152 - 13782 Aubagne Cedex - France
Supply voltage is not in
the specified range.
Loose
connections
when
terminal plate.
a
low
Worn out contactors.
Faults
with
peripheral
loads.
Loose
connections
compressor
plate inside T-Box.
Worn out contactors.
Faults
with
peripheral
loads.
Single
conditions.
P
R
O
F
R
O
I
D
I
N
D
P
R
O
F
R
O
I
D
I
N
D
International : Tel. (33) 4 42 18 05 00 - Fax (33) 4 42 18 05 02
Verify voltage supply from the main buss.
Verify voltage into and out of contactor (repair or
replace contactor if necessary).
wiring
Measure voltage at the compressor terminal (refer to
at
the
AE10-1244, Recommended Contactor Selection for 3-
Phase Motor Control – Power Supply Problems).
Verify that motor electrical connections are tight at
other
the compressor.
electrical
Verify that there are not any faults with other
peripheral electrical loads (for example fan motors).
wiring
Verify voltage supply from the main buss.
at
the
Verify voltage into and out of contactor (repair or
terminal
replace contactor if necessary). Measure voltage at the
compressor
Recommended Contactor Selection for 3-Phase Motor
Control– Power Supply Problems).
other
electrical
Verify that motor electrical connections are tight at
the compressor.
Verify that there are not any faults with other
phasing
peripheral electrical loads (for example fan motors).
U
S
T
R
I
E
S
C
A
R
R
I
U
S
T
R
I
E
S
C
A
R
R
I
terminal
(refer
to
E
R
S
.
C
.
S
E
R
S
.
C
.
S
78/78
AE10-1244,