Troubleshooting - BRAND Transferpette-8 electronic Operating Manual

11 Troubleshooting

Fault
Instrument does not
respond
Instrument does not
respond
Instrument does not
respond
Instrument does not
respond
Tip dripping/instru-
ment leaking or vol-
ume error
No indication in the
display
Aspiration is not possi-
ble
Transferpette® -8/-12 electronic 997200
Display Cause
ERR 1 Rechargeable battery
empty or defective
Electronic components
defective
ERR 2 Electronic components
defective
ERR 3 Unforeseen program
error
ERR 4 No rechargeable bat-
tery in the instrument
Rechargeable battery
defective
Electronic components
defective
— Unsuitable tip
Tip not seated tightly
Piston, shaft, or seal
dirty or damaged
— Electrostatic discharge Remove rechargeable battery and
Electronic components
defective
— Motor has no connec-
tion to the pipetting
unit.
11 Troubleshooting
Corrective action
Charge the battery for at least 5
min without actuation. Then con-
tinue working with the charging ca-
ble only until the battery is
recharged. Replace the recharge-
able battery if necessary
Send instrument for repair
Send instrument for repair
Error confirmation by pressing the
'Enter' key, instrument is reinitial-
ized
Insert rechargeable battery
Replace rechargeable battery
Send instrument for repair
Use only high-quality tips
Press tip on more firmly/other in-
terchangeable clip
Clean instrument/replace seal,
grease piston
insert again
Send instrument for repair
Carry out reference run (rEF), see
Reference run (rEF), p. 71.
Operating manual
81