Atlas Copco GHS 900 VSD+ - Page 97

Instruction book
6996 0227 40 97
Fault code
Fault
Remedy
14
Overtorque Detection 2 (oL4)
Check inlet valve
Check back pressure oil separator vessel
Check drive train
Check oil injection
15
Dynamic Braking Transistor (rr)
Contact Atlas Copco
16
Braking Resistor Overheat (rH)
Contact Atlas Copco
17
External Fault at Input Terminal S3 (EF3)
Check control wiring
18
External Fault at Input Terminal S4 (EF4)
Check control wiring
19
External Fault at Input Terminal S5 (EF5)
Check control wiring
20
External Fault at Input Terminal S6 (EF6)
Check control wiring
21
External Fault at Input Terminal S7 (EF7)
Check control wiring
22
External Fault at Input Terminal S8 (EF8)
Check control wiring
23
Internal Fan Fault (FAn)
Check cooling inverter
24
Overspeed (oS)
Contact Atlas Copco
25
Speed Deviation (dEv)
Contact Atlas Copco
26
PG Disconnect (PGo)
Contact Atlas Copco
27
Input Phase Loss (PF)
Check supply voltage
Check input wiring
Check EMC filter
28
Output Phase Loss (LF)
Check wiring to motor
29
Motor Overheat (PTC input) (oH3)
Check wiring to motor
Check ambient temperatures
Check cooling unit
Check inlet valve
Check back pressure oil separator vessel
30
Digital Operator Connection (oPr)
Contact Atlas Copco
31
EEPROM Write Error (Err)
Contact Atlas Copco
32
Motor Overheat (PTC input) (oH4)
Check wiring to motor
Check ambient temperatures
Check cooling unit
Check inlet valve
Check back pressure oil separator vessel
33
MEMOBUS/Modbus Communication Error
(CE)
Check communication wiring
34
Option Communication Error (bUS)
Contact Atlas Copco
37
Control Fault (CF)
Contact Atlas Copco
38
Zero-Servo Fault (SvE)
Contact Atlas Copco
39
Option External Fault (EF0)
Contact Atlas Copco
40
PID Feedback Loss (FbL)
Contact Atlas Copco
41
Undertorque Detection 1 (UL3)
Contact Atlas Copco
42
Undertorque Detection 2 (UL4)
Contact Atlas Copco
43
High Slip Braking Overload (oL7)
Contact Atlas Copco
48
Hardware Fault (including oFx)
Contact Atlas Copco
50
Z Pulse Fault (dv1)
Contact Atlas Copco
51
Z Pulse Noise Fault Detection (dv2)
Contact Atlas Copco
52
Inversion Detection (dv3)
Contact Atlas Copco
53
Inversion Prevention Detection (dv4)
Contact Atlas Copco
54
Output Current Imbalance (LF2)
Check wiring to motor