Quincy QSV 2200, Instruction Manual

Page: 99 / 124

Section VIII – Problem solving
Quincy Vacuum Pump-QSV Series 99
(1) Main motor convertor alarm
(2) Fault
Convertor
If a problem is detected by the converter, a specific code (Main motor converter alarm) will appear on the
graphic regulator display, together with a fault code and a fault description.
Typical display, Main Motor Converter Alarm (1), Fault (2) Code (0x7130) and description (Motor over
temperature (3)) in this case.
Below table lists the most important error codes. If another code appears, please contact Quincy.
Fault code Fault Remedy
2
(or 60000)
DC Bus Undervoltage (Uv1) Check supply voltage
Check input wiring
Check EMC filter
3
(or 60000)
Control Power Supply Voltage Fault (Uv2) Check supply voltage
Check input wiring
Check EMC filter
4
(or 60000)
Undervoltage 3 (Uv3) Check supply voltage
Check input wiring
Check EMC filter