Other Problems - Heidolph RotaChill Large Originalbetriebsanleitung

Troubleshootimg
Error
Possible reason
Message
FFL ▪ Fault Fluid Flow:
The fl uid fl ow has been low for more than 20
seconds.
▪ Chiller Operation: Normal operation stops,
with heating, cooling, and pump turned off.
FFL displayed continuously.
Ft3 ▪ Fault 3:
One or all instrument settings are out of
range.
▪ Chiller Operation: Normal operation stops,
with heating, cooling, and pump turned off.
Ft3 displayed continuously.
FOt ▪ Fault OTP:
Heater over-temperature fault.
▪ Chiller Operation: Normal operation stops,
with heating, cooling, and pump turned off.
FOt displayed continuously.
▪ Fault 5:
Ft5
Heater Triac failure.
▪ Chiller Operation: Normal operation stops,
with heating, cooling, and pump turned off.
Ft5 displayed continuously.
Ft7 ▪ Fault Temperature Probe Fault:
The main temperature probe has failed.
▪ Chiller Operation: Normal operation stops,
with heating, cooling, and pump turned off.
Ft7 displayed continuously.

Other problems

Many problems can be resolved by restoring the factory defaults. If this solves the
problem, be careful when restoring your operational settings in order not to repeat the
problem.
To restore the factory default settings:
➜ Place the Power Switch/Circuit Breaker on the rear of the unit in the OFF position.
➜ Press and hold either the Up (for °C) or Down (for °F) arrow button while returning
the Circuit Breaker/Power Switch to the On position.
Warning:
Electrical shock
When electrical power is On, dangerous voltages exist within chassis
components.
Refer servicing to qualifi ed service personnel.
Troubleshooting
Add fl uid to the reser-
voir; check fl uid lines for
restrictions and correct
as required. (Power to
the unit must be turned
Off before making
adjustment).
Contact your local
Heidolph Instruments
distributor
Contact your local
Heidolph Instruments
distributor
Contact your local
Heidolph Instruments
distributor
Contact your local
Heidolph Instruments
distributor
21