D-3 
personnel. 
RT Clock Need 
Reset 
L There is button cell available in the system but the clock is 
reset in case of power failure. Contact your service 
personnel. 
RT Clock Not 
Exist 
H There is no button cell available in the system or the 
battery has no capacity. 
The clock chip is faulty. Contact your service personnel. 
IP Address 
Conflict 
L This message is displayed when there are conflicts 
between IP address settings and disappears until the 
conflicts are resolved. Set IP address again. 
Loading Default 
Config. Failed 
L Loading configuration is failed. 
Reload the configuration. If the problem persists, contact 
your service personnel. 
Restoring Last 
Config. Failed 
L Restoring configuration is failed. 
Restart the ventilator or reload the configuration. If the 
problem persists, contact your service personnel. 
SD Storage Card 
Error 
L Storage card is not available or is failed. 
Replace the storage card. 
Insp. Hold 
Interrupted 
L This alarm is triggered when the Insp. Hold key is pressed 
and held longer than the time limit. The alarm is cancelled 
when the Insp. Hold key is released.   
Exp. Hold 
Interrupted 
L This alarm is triggered when the Exp. Hold key is pressed 
and held longer than the time limit. The alarm is cancelled 
when the Exp. Hold key is released.   
Keyboard Comm 
Stop 
H Keyboard malfunction. Contact your service personnel. 
Keyboard Selftest 
Error 
H Keyboard selftest error. Contact your service personnel. 
Ventilator Reset 
Error 
H One of ventilator modules is powered on abnormally. Push 
the Alarm Reset key to cancel this alarm. 
When this alarm is triggered, press [Alarm Reset] key and 
the alarm disappears. 
Key Error  M This alarm is triggered when the hard key or rotary 
encoder is pressed and held for more than 35s. 
Memory Error  H The memory has an error. Restart the ventilator. If the 
problem persists, contact your service personnel. 
PCON2 Selftest 
Error 
H The key control board has an error during power-on. 
Restart the ventilator. If the problem persists, contact your 
service personnel.