18
Troubleshooting
Problem
Cause
Correction
Pump stopped and cannot be
switched on again.
Thermal cutout activated due to motor
over-temperature.
• Manual reset is necessary. Switch off device
or isolate the equipment from mains. Wait
approx. five minutes before restarting the
device.
• Ensure pump fan is working and pump is
placed in an area with an ambient temp. of
less than or equal to 40°C
Ultimate vacuum cannot be
reached.
Fittings or hose connection have leakage.
• Ensure that fittings are tightened properly, use
PTFE thread seal tape at thread if necessary.
Check hose connection for any cracks. Follow
instructions for “
disassembling top cover
”
under “
Maintenance and Cleaning
” section
to check inner hoses for leaks.
Valves not seated properly, incorrect
orientation or damaged.
• Contact
IKA
®
service department.
Diaphragm not seated in bore properly or
damaged.
• Contact
IKA
®
service department.
Incorrect washer configuration assembled
during replacement of diaphragm.
• Contact
IKA
®
service department.
Liquid or solid parts inside the pump
chamber
• Use gas ballast valve to purge system of
condensates. Remove the vacuum hose to the
gas inlet and open the gas ballast valve. Turn
the pump on and run it at idle.
• If problem persists, contact
IKA
®
service
department.
Knocking noise during pump
operation.
Incorrect washer configuration assembled
during replacement of diaphragm.
• Contact
IKA
®
service department.
If the actions described fails to resolve the fault or another error code is displayed then take one of the following steps:
- Contact the service department
- Send the instrument for repair, including a short description of the fault.
