12 | Troubleshooting
26 | 32
Instruction Manual SECO SV_SD1010-1025C_SV_SD1040D_EN_en
12
Troubleshooting
DANGER
Live wires.
Risk of electrical shock.
●
Electrical installation work must only be executed by qualified personnel.
CAUTION
Hot surface.
Risk of burns!
●
Prior to any action requiring touching the machine, let the machine cool down first.
only on SV
VA
IIF
IDF
VRV
DV
DRV
standard on SD
only on SD
optional on SV
Problem
Possible Cause
Remedy
The machine does not start.
The motor is not supplied with
the correct voltage.
●
Check the power supply.
The motor is defective.
●
Repair the machine (contact
Busch).
The machine does not reach
the usual pressure.
The internal filters (IIF, IDF) are
partially clogged.
●
Replace the filter cartridge.
The inlet filter cartridge (op-
tional) is partially clogged.
●
Replace the inlet filter car-
tridge.
One of the regulating valves
(VRV, PRV) is jammed in an
open position
●
Dismantle, clean, check and
reassemble the regulating
valve (contact Busch).
Stuck vanes.
●
Free the vanes or replace
them.
The vanes (VA)* are worn
●
Replace the vanes.*
The felt washer of the dis-
charge valve (DV) is partially
clogged (SV version only).
●
Dismantle the discharge
valve and change the felt
washer.
