Grant ecocool 100R, Руководство по эксплуатации

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ecocool 100R
Operating Manual Page 30
www.grantinstruments.com
11.0 Troubleshooting
Symptom Possible cause Action required
Display shows
“
 ”
Refrigerated bath is
not detected by
heating circulator
Refrigerated bath has
overheated Check communications lead is connected to
control and refrigerated baths
Check refrigerated bath is connected to
mains power and switched on.
Wait for compressor to cool, when thermostat
will reset and compressor will switch on
again.
Remove any vent obstructions and carry out
routine cleaning (see section 9.2)
Display shows
“
 ”
Refrigerated bath is
connected but not
powered Check mains power to refrigerated bath.
Display shows
“
 ”
Chiller in pre-over
heating condition Switch off equipment. Check air vents are not
restricted. Clean dust from condenser fins.
See Section 9.
Display shows
“
 ”
Over-temperature
cut-out has operated Check the set temperature is correct and that
the over-temperature cut-out temperature is
set at least 5°C above the set temperature.
Refer to section 5.1.2 for setting instructions.
If the over-temperature cut-out temperature is
correctly set but the equipment still shows a
“Cut” alarm then the equipment has an
internal fault and must be repaired before it is
used again.
Temperature
does not rise
when expected Set temp is lower
than liquid temp
Check that the bath set temperature is correct
(see section 5.2.1).
Temp continues
to rise when not
expected Set temp is higher
than liquid temp Check that the bath set temperature is correct
(see section 5.2.1).
Display shows
“
 ”
Refrigerated bath has
stopped cooling
Refrigerated bath has
overheated Check communications lead is connected to
control and refrigerated baths.
Switch off refrigerated bath and allow to cool
Alarm light on Over-temperature
cut-out has operated
Low liquid level float
switch has operated Check the over-temperature cut-out is set
appropriately (see section 5.1.2).
Check that the liquid level in the bath is
adequate.
Set temperature
too restricted Liquid type set does
not allow required set
point Change to different liquid type (see section
5.2.2).