Display Messages And Alarms - PolyScience WBE20A11B Operator's Manual

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Display Messages and Alarms

Symbol and/or Word Description
Warning: The operator is attempting
HIGH LIMIT to enter temperature set point that
(flashing) is above the High Limit temperature
value.
!
Fault: The liquid in the bath has
dropped too low or the temperature
of the bath fluid has exceeded the
Safety Set temperature. Power to
the heater will remain Off until the
over-temperature thermostat resets.
Warning: The operator is attempting
to enter a Calibration Offset value
without first performing the proper
CALIBRATION
power down/power up sequence.
OFFSET
(flashing)
Informational: Indicates that there
POWER FAIL was a loss of electrical power during
operation.
Informational: Indicates that the
temperature set point is being
SET
changed.
(flashing)
Informational: Indicates that the
°C or °F
temperature unit is being changed.
on lower readout.
Informational: Indicates that the
timer is being set.
TIMER
Informational: Indicates that the
high limit value is being changed.
HIGH LIMIT
(steady)
Warning: Indicates that the bath
temperature has exceeded the high
limit value for more than 5 seconds.
Informational: Indicates that the
CALIBRATION
calibration offset value is being
OFFSET
changed.
(steady)
Informational: Indicates that the
PRESET bath is operating using the indicated
1, 2 or 3 Preset set point temperature and
timer (optional) values.
Informational: Indicates that the
timer is being used.
TIMER
Informational: Indicates that heat is
being applied to the bath.
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10 20
5 25
0 30
Comments/Corrective Action
Increase the High Limit temperature value or
decrease the set point temperature.
Fluid level in the reservoir has fallen below
minimum level; remove power, allow bath to
come to room temperature and add fluid.
Fluid temperature is higher than one or
both Over-Temperature Safety thermostats.
Remove power and allow bath to come to room
temperature; if problem persists, consult factory.
Controller failure; consult factory.
Place Mains Switch on rear of unit in Off
position. Press and hold while returning
Mains Switch to On position. Release when
unit enters Standby mode.
Press on keypad and then press until
CALIBRATION OFFSET appears on LCD.
Press to turn the Water Bath Off and then
back On. This will clear the message.
Press or until desired set point
temperature is displayed on lower readout.
Press or allow the display to timeout to
accept.
Press to change ºC to ºF; press to
change ºF to ºC. Press or allow the display
to timeout to accept.
Use the or buttons to increase/
decrease the time duration. Press or allow
the display to timeout to accept.
Press or until desired high limit
temperature is displayed on lower readout.
Press or allow the display to timeout to
accept.
Allow bath temperature to fall below the High
Limit Value.
Place unit in Standby mode and press
return from Standby mode. Reset factory default
values
Press or until desired calibration offset
is displayed on lower readout. Press or
allow the display to timeout to accept.
No action required.
Press and release to pause timer. Press
and hold for two seconds to reset to 00:00.
This symbol is lit steady while the bath is
heating to the set point temperature and
flashes when the set point temperature is being
maintained.
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