21COOLIUS A50
4.7 Maintenance messages
At the start-up is possible to see the following messages:
Notice: “
MAINTENANCE WILL EXPIRE SOON!” or
“MAINTENANCE EXPIRED”
Maintenance will expire soon!
Press STOP to continue with the start-up of the machine.
Maintenance expired!
1. At the message
MAINTENANCE EXPIRED!
UNLOCK CODE REQUIRED
press the STOP key, then
the display shows:
2. Write down the code shown at the end of the sec-
ond line and use it to get the UNLOCK CODE on the
website www.coolius-ac.com or by hotline phone call
+497940981888188.
3. Press STOP to continue with the start-up of the machine.
NOTE:
See chapter 6.3 Counter reset (UNLOCK CODE required) p. 36
to reset the maintenance counter.
Maintenance will
expire soon!
Call for service
Maintenance expired!
UNLOCK CODE required
Get UNLOCK CODE
register: BB111111
www.coolius-ac.com
4.8 Error messages
No Error message Description
A1
ERROR! Weight scale
Scale blocked or faulty (see 6.7 on p. 38)
C1
ERROR! Recovery
Recovery process anomaly or compressor faulty
ERROR!
Overpressure in
recovery process!
High pressure switch activated. Wait 20/30 min. If the mes-
sage appears again, please contact SERVICE CENTER.
Vessel full!
Please wait!
Maximum refrigerant quantity allowed! Reduce the refrige-
rant quantity in the internal vessel.
Leakage!
START to by-pass
mb. ///
If after a few minutes the minimum value is not reached.
Possible causes: defective A/C system, etc….
Insufficient vacuum
for oil/UV charge!
„START“ to by-pass
The vacuum value is not enough to guarantee the process.
Possible causes: defective A/C system, air in the bottles,
etc…
Press START to by-pass the process and go to charge
process.
Insufficient
refrigerant.
Charge the vessel.
The refrigerant quantity is below the minimum quantity
required.
Perform “Vessel charge”.
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