SCP SCIENCE DigiPREP - Heater Cannot Achieve Desired Temperature, Stops Heating too Early; Heater Is Overshooting Temperature; Controller Temperature Fluctuates between Impossible Values; Controller Temperature Fluctuates Around Set Point

SCP SCIENCE
82
KeyPad
Version 1.0
HEATER CANNOT ACHIEVE DESIRED TEMPERATURE,
STOPS HEATING TOO EARLY AND BEGINS TO COOL
1. Ensure the umbilical cord is fully inserted into
the controller.
2. Ensure the dongle port is tight.
3. Perform the over-temperature protection device
replacement instructions on page 84.
HEATER IS OVERSHOOTING TEMPERATURE
1. Ensure the 4-pin dongle is completely fastened
to the DigiPREP digestion block.
2. Perform the internal RTD test on page 86.
3. Verify the solid-state relay on the controller.
4. Perform replacement procedures for the
voltage selector switch on page 84.
CONTROLLER TEMPERATURE FLUCTUATES
BETWEEN IMPOSSIBLE VALUES
1. Ensure the dongle is completely fastened to the
DigiPREP digestion block.
2. Visually inspect the dongle receptacle on the
block for damage.
3. Perform the internal RTD test on page 86.
4. Perform umbilical cord tests on page 85.
CONTROLLER TEMPERATURE FLUCTUATES AROUND
SET POINT
1. Ensure the dongle is completely fastened to the
DigiPREP digestion block.
2. Visually inspect the dongle receptacle on the
block for damage.
3. Perform the internal RTD test on page 86.
BREAKER SWITCH ON CONTROLLER TRIPS ON THE
START OF DIGESTION
1. Perform the over-temperature protection device
replacement instructions on page 84. It is
possible for the W137 to short to the block,
which may cause the solid-state relay to
become defective.