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MANUAL - SOLVENT RECYCLERS - URS1600 SERIES, URS2000 SERIES & RI 80 Rev 2019-05
PROBLEM
CAUSE
ACTION STEPS
Solvent vapor leaks from the Lid
Gasket
1) The Lid Gasket has
excessive wear as
indicated by cracks,
shrinkage, hardness
etc
1) Replace the Lid Gasket (See Operating
Procedure 11).
2) The Solvent fl ow
path is blocked.
2) Follow Service Procedure 2.
3) Lid Tension is not
adequate
3) Follow Service Procedure 4.
3) The Lid is not
seated correctly.
3) Follow Service Procedure 5.
4) The temperature
SET-PT is too high, re-
sulting in excessively
high solvent vapour
pressure
4) Run SETUP, reduce the Temperature
Set Point and repeat the recycling opera-
tion. If successful, continue to recycle using
the lower Temperature Set Point. If not,
reduce the POWER %.
Sections on Bag are brown and
thin due to High Temperature
1) Use of inferior low
temperature bag.
1) Use new genuine Uni-ram high tempera-
ture Liner Bag and recycle.
2) The temperature
SET-PT is too high.
2) Run SETUP, reduce the Temperature
Set Point and repeat the recycling opera-
tion. If successful, continue to recycle using
the lower Temperature Set Point.
The computer appears to be
operating erratically.
The computer may
require re-booting.
Disconnect the power supply for 30 sec-
onds. Restore power and operate unit.
Residue (puck) in Tank is too
wet.
1) BAKE TIME is not
long enough.
1) Run SETUP and increase the BAKE
TIME.
2) Residue cannot be
dried completely due
to its composition.
2) None.
TEST MODE
Use this mode as part of your troubleshooting procedures.
1. Make sure Display Panel shows “READY SP = XXX °C”.
2. Press and hold the OK key while pressing the “–” key for about 3 seconds or until the display shows
the Model No. and software version followed by “TEST MODE”. The testing cycle will begin.
TESTING CYCLE
• The Display shows “TC#1 = XXX °C, TC#2 = XXX°C”.
• Press “OK” to proceed to the next step.
• The Display shows “FAN ON” for 5 seconds while the Cooling Fan runs.
• The Display changes to “DO NOT TOUCH KEYS” for 5 seconds while a key check is performed.
• If the keys are ok, the Display shows “NO KEY STUCK” for 5 seconds.
• The Display changes to “HEATER TEST ON” for 10 minutes or until the computer detects a 3°C in-
crease in temperature at TC#1, then the Display should change to “HEATER TEST OK”.
3. If the display does not show “HEATER TEST OK”, there is a problem in the heater circuit such as a
defective Heater TRIAC, Heater Element or Fuse.
4. Press “STOP” to end the test. The Display will return to “READY SP = XXX °C.
