Faults And Troubleshooting - Heidolph Laborota 4000 efficient Mode D'emploi

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Faults and troubleshooting

7 Faults and troubleshooting
Fault/Message
Instrument can not be switched
on.
No heating function
Drive does not turn
Message in heating bath display:
Er1
Message in heating bath display:
Er2
Message in heating bath display:
Er3
120
Cause
Power cable not connected to an
AC outlet.
Fuse defective
Main power switch turned off
Fuse defective
Main power switch defective
Heating bath connector cable is
not plugged in
(LABOROTA 4002 / 4003 control
only)
Heating bath heater defective
Set Bath temperature higher than
heating bath control
Temperature limiter tripped
Main power switch defective
Speed control is set to left stop.
Drive defective
Fuse defective
Heating bath defective
Heating bath defective
Heating bath heated without
liquid heating medium
Laborota 4000/4001 efficient, 4010/4011 digital, 4002/4003 control
Remedy
Plug power cable into an AC
outlet.
Replace fuse (see chapter
8.2, page 124)
Turn on main power switch
Replace fuse (see chapter
8.2, page 124)
Contact service
Plug in heating bath
connector cable
Contact service
Use heating bath control to
set temperature 20°C higher
than Set Bath temperature
If medium in heating bath: let
heating bath cool and reset
temperature limiter
If no medium in heating bath:
contact service
Contact service
Turn speed control to right
Contact service
Replace fuse (see chapter
8.2, page 124)
Contact service
Contact service
Switch instrument off
Check whether temperature
limiter has tripped. If so, reset
(see chapter 8.1.2, page 123)
Add liquid heating medium
1.02

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