8700-0006-000 (Rev. 12) 08/2020
10
5/Troubleshooting
SYMPTOM
POSSIBLE CAUSES
POSSIBLE SOLUTION
Unit fails to provide
vacuum at patient port
in all modes.
Mode Selector Switch is at O(OFF) position
Move mode selector switch [34] to desired
mode.
No Supply Vacuum
Check Hospital vacuum level (should be at
least 500 mmHg (66.7 KPA).
Damaged/Clogged Supply side or Patient
side fittings
Replace fittings if damaged/clogged
Retighten/Torque if found loose
Knob fails to return when pushed
Push and rotate the knob [2] if stuck
Replace actuator [6], drive gear [5],
Regulator Case [3], OTS assembly [10].
Knob stuck at OFF position (all the way
counter clock wise direction)
Push and Rotate Knob [2] to clock wise
direction
Damaged Regulator Module
Regulator Module Assembly [12]
Clogged external filter
Replace external filter
Overflow protection device is shut off
Check(Reset float)/Replace Overflow
protection device
Loose or incorrect set-up
Set-up unit correctly without any leak.
Aspirant draw into unit
Follow your facilities procedures for handling
contaminated products. (DO NOT SEND
UNIT BACK TO THE MANUFACTURER)
Gauge doesn’t respond
to changes in suction
Gauge assembly is not properly aligned.
Ensure gauge assembly [6] is properly
aligned.
Missing/Damaged O-Rings
Replace O-Rings [9]
Gauge assembly is damaged
Replace gauge assembly [6]
Digital Unit Only:
Depleted batteries
Digital Unit Only:
Replaced Gauge [6]/Batteries
Suction level cannot be
adjusted
Unable to push and rotate knob
Push and rotate knob [2] if stuck
Replace actuator [6], drive gear [5],
Regulator Case [3], OTS assembly [10].
Damaged OTS assembly
Replace OTS assembly [10]
Regulator module is stuck in full OFF or full
ON position
Rotate the knob [2] to free the Regulator
Module Assembly [12]
Snap cap separated from regulator module
housing.
Reassemble snap cap [28] onto regulator
module housing [34]
Replace snap cap [28] and/or regulator
module housing [34]
Replace Regulator Module Assembly [12]
Damaged/Missing spring inside regulator
module assembly
Replace Regulator module assembly [12]
Damaged/Missing O-ring, Quad-ring on
regulator module
Replace O-ring [35] and/or Quad-ring [36]
Damaged Diaphragm inside regulator
module
Replace Diaphragm [30] or regulator module
assembly [12]
Damaged Regulator Module Assembly
Replace Regulator module assembly [12]
