18
110-874
Problem
Possible Causes
Corrective Action
Insufficient
circulation
Fluid viscosity too
high
Low line voltage
Replace with lower viscosity bath
fluid.
Check and correct as required.
Fluid circulating
but circulating
icon not lit
Momentary
electronics
problem
Turn power to the unit Off, back
On and then press the Run
button.
Unit does not
heat
Unit in Standby
mode
Insufficient fluid in
reservoir
Temperature set
point too low
Press Run button.
Add fluid to reservoir.
Increase temperature set point.
Insufficient
Heating
Insufficient
circulation
Low line voltage
Ambient
temperature too
cool
Excessive heat
loss
See Insufficient circulation,
above.
Check and correct as required.
Increase ambient temperature or
relocate unit.
Check for vapor/heat loss from
internal reservoir.
Temperature
unstable
Insufficient
circulation
Debris or mineral
build-up on
pump, heater
or temperature
sensor.
Check pump flow and operation.
Clean as required.
E01 appears on
the display
Water level in the
reservoir is too
low
Add fluid to the reservoir and
then turn power to the unit Off
and then back On.
