Self-Diagnosis - Tekno Point PICCOLO 12 Manuel D'installation

AUTODIAGNOSI

11. SELF-DIAGNOSIS

11.1 ERROR CODES
ERROR
E1
E2
HE
L0
L1
L2
U0
U1 Short/open circuit of indoor unit tube sensor
b3
24
TROUBLESHOOTING
Overheat protection
Over current protection
Auxiliary heater drive circuit malfunction
Jumper malfunction
PG motor (indoor) zerocrossing
detecting circuit malfunction
No feedback signal of indoor unit fan
Short/open circuit of indoor
environment sensor
Filter filth blocage alert
SOLUTION
Turn off,restart after 5min,if the code occurs again after a few
minutes, please contact the professional person.
Turn off,restart after 5min,if the code occurs again after a few
minutes, please contact the professional person.
Pull out the plug, please contact the professional person.
Pull out the plug, restart after 10s, if the code occurs again,
please contact the professional person.
Turn off,restart after a few seconds, if the code occurs again
after a few minutes, please contact the professional person.
professional person.
Turn off,restart after a few seconds, if the code occurs again
after a few minutes, please contact the professional person.
professional person.
Power off the unit, restart after 10s, if the code occurs
again, please contact the professional person.
Power off the unit, restart after 10s, if the code occurs again,
please contact the professional person.
Power off, clean filter. If the filter is not dirty torn off the air
conditioner for 2s then restart,the code will be removed
automatically.
56
U INS
Indoor unit
PICCOLO
CAT