Grant ecocool 100R, Operating Manual

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ecocool 100R
Page 31 Operating Manual
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Display shows
“
 ”
Liquid level has
dropped below
minimum level Check that the liquid level in the bath is
adequate.
Display shows
“
 ” 
High temperature
warning alarm has
tripped Check that the bath set temperature is correct
(see section 5.2.1).
Check that high temperature alarm is correct
(section 5.2.7).
Check that the liquid level in the bath is
adequate (see section 6.3 for minimum fill
levels).
Display shows
“
 ”
Incorrect calibration
value The high temperature calibration point is less
than 40°C above the low calibration point
–
choose a higher temperature (see section
5.2.10).
Display shows
“
 ”
Incorrect calibration
value The low temperature calibration point is less
than 40°C below the high calibration point
–
choose a lower temperature (see section
5.2.10).
Display shows
“
 ”
Incorrect calibration
value The calibration value is greater than 10°C
from the set point
– check thermometer
reading and set point (see section 5.2.10).
Display shows
“
 ”
Faulty internal
temperature probe Have a competent person check the probe for
an open circuit fault or contact Grant.
Display shows
“
 ”
Faulty internal
temperature probe Have a competent person check the probe for
a short circuit fault or contact Grant.
Equipment
showing erratic
temperatures Calibration values not
set correctly Restore the factory calibration settings (see
section 5.2.11) then re-calibrate if required
(see section 5.2.10).
Display shows
“
 ”
Heating water at or
near to boiling without
lid
Heating very large
volumes of liquid with
large thermal losses Fit a lid to reduce thermal losses and leave
equipment
running with the “Hot” warning
present. If the alarm has not cleared within 1
hour contact Grant.
Add measures to reduce thermal losses and
leave equipment
running with the “Hot”
warning present. If the alarm has not cleared
within 1 hour contact Grant.
Display shows
“
 ”
Internal PCB fault Have a competent person check the product
or contact Grant.
Display shows
“
 ”
Internal heating
circuit failure Have a competent person check the product
or contact Grant.
Stirrer motor not
rotating Stirring propeller or
pump impeller is
obstructed
Faulty motor Clear obstruction.
Have a competent person check the motor or
contact Grant.