1. DELCOS 3100 Electronics
[Display] / Problem
Possible Cause
Remedy
29
[FAULT SR-DRIVE (34)]
IGBT fault A1
IGBT module or gate drive board faulty.
Contact Gardner Denver Service.
[FAULT SR-DRIVE (35)]
IGBT fault A2
[FAULT SR-DRIVE (36)]
IGBT fault B1
[FAULT SR-DRIVE (37)]
IGBT fault B2
[FAULT SR-DRIVE (38)]
IGBT fault C1
[FAULT SR-DRIVE (39)]
IGBT fault C2
[FAULT SR-DRIVE (40)]
IGBT braking resistor fault
A braking resistor is not installed. Occurrence
of this fault points to a malfunction on the
Control or gate drive board.
Contact Gardner Denver Service.
[FAULT SR-DRIVE (41)]
RS232 communication
RS232 communication is not used.
Occurrence of this fault points to a
malfunction on the control board.
Contact Gardner Denver Service.
RPT sensor cabling faulty.
Check plug connection J1 on control
board.
Check connection cable of RPT
sensor.
[FAULT SR-DRIVE (42)]
RPT sensor supply faulty.
RPT sensor faulty.
Control board faulty.
Otherwise contact Gardner Denver
Service.
[FAULT SR-DRIVE (43)]
RPT sensor faulty
RPT sensor not or incorrectly connected.
Check plug connection J1 on control
board.
RPT sensor cabling faulty.
Check connection cable of RPT
sensor.
RPT-Sensor faulty.
Control board faulty.
Otherwise contact Gardner Denver
Service.
[FAULT SR-DRIVE (44)]
Overspeed
RPT sensor not or incorrectly connected.
Check plug connection J1 on control
board.
RPT sensor cabling faulty.
RPT sensor faulty.
Control board faulty.
Otherwise contact Gardner Denver
Service.
Cabling or plug connection J11 faulty on
control board.
Check cabling and plug connection
J11 on control board.
[FAULT SR-DRIVE (45)]
Heat sink temperature sensor
faulty
Temperature sensor faulty.
Control board faulty.
Otherwise contact Gardner Denver
Service.
[FAULT SR-DRIVE (46)]
Motor temperature sensor faulty
The motor temperature sensor is monitored
by Delcos 3100. Occurrence of this fault,
therefore, points to a malfunction on the
control board.
Contact Gardner Denver Service.