Direct Healthcare Group QUATTRO Acute, Service Manual

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Q U AT T R O
®
A C U T E & Q U AT T R O
®
P L U S
D H G - H E A LT H C A R E . C O M
2. Faults and Warnings
1 3
Indication Information Check
Fault: Low pressure
System will alert if pressure
falls below minimum
allowable levels.
System continues to
operate.
Press MUTE to clear alarm. • Check CPR is not open.
• Check O-rings on CCV assembly of unit for
damage.
• Press the mute button to clear the alarm.
• Note: alarm will reoccur if fault persists.
• Observe if warning is displayed again, and note
if one particular cell set (e.g.: 1, 5, 9, 13 …, or
2, 6, 10, 14…) is not inflating.
• Check cells for punctures or detached tube.
Replace cells as necessary.
Fault: Rotor system System will not operate.
If this fault occurs, unit
will require opening and
assessment by a qualified
service engineer. • Electrical connections to cycle control valve.
• Faces of rotor and stator.
• Failed opto slot sensor PCB.
• No mechanical damage to cycle control valve
assembly.
• Replace cycle control valve assembly.
Fault: Pump / Triac fail
System will not operate.
If this fault occurs, unit
will require opening and
assessment by a qualified
service engineer. • Pump electrical connection not made.
Reconnect.
• Replace pump.
• Replace control board.
Warning: Battery On board back up battery
not charging. • Replace 3.6v mempac battery on control
board.
• Replace control board.
No power
on switch on Either the IEC module is
damaged, or on board
500mA fuses on the control
PBC are blown. • Replace 500mA fuses on PCB.
• Replace IEC module.
• Replace control board.
Warning: Uncalibrated
Do not operate system. • Pressure sensor on control board needs
calibrating.
Fault: EMI fault
System will not operate if
this fault occurs. • Unit has detected that the pressure sensor
amplifier is adversely affected by external RF
fields.
• Unit will require opening and assessment by a
qualified service engineer.