BUCHI Interface I-100 - Manual (Page 32)

8 | Help with faults BÜCHI Labortechnik AG
32/42 Operation Manual Interface I­100
8.2 Error messages
Error message Remedy
Pressure sensor is defective. u Contact BUCHI Customer Service.
Pressure sensor not calibrated. u Calibrate pressure sensor (see Chap­
ter 6.3 "Calibrating the pressure sen­
sor", page 26).
Data transmission error on RS­485. u Check RS­485 lead and make sure
that it is only connecting an interface
unit to a recirculating chiller.
Excess pressure in system. u Set pump to continuous mode until
the system pressure is reduced.
Error reading from or writing to memory
(EEPROM). u Contact BUCHI Customer Service.
8.3 Customer service
Repairs to the device may only be carried out by authorized service technicians. The
service technicians have been comprehensively technically trained and are aware of
the potential hazards that can arise from the device.
The addresses of the official BUCHI Customer Service offices can be found on the
BUCHI website at: www.buchi.com. If you have any questions regarding technical is­
sues or faults, please contact those offices.
Customer Services can offer you:
— supply of spare parts
— repairs
— technical advice