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Section VII - Problem Solving
Fault code
Fault
Remedy
13
Overtorque Detection 1 (oL3)
Check inlet valve
Check back pressure oil separator vessel
Check drive train
Check oil injection
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 Quincy
16
Braking Resistor Overheat (rH)
Contact Quincy
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 Quincy
25
Speed Deviation (dEv)
Contact Quincy
26
PG Disconnect (PGo)
Contact Quincy
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 Quincy
31
EEPROM Write Error (Err)
Contact Quincy
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 Quincy
37
Control Fault (CF)
Contact Quincy
38
Zero-Servo Fault (SvE)
Contact Quincy
Quincy Vacuum Pump-QSV Series
91