Piazzetta P958 Instructions For Installation, Use And Maintenance Manual page 54

Problem
Pressure switch malfunction
"ALF 2" stove status
Thermal cutout
"ALC" stove status
(Hopper thermostat)
"PUL" stove status
"NO ACC" stove status
Pellet-loading auger safety device
"00. 0CO" stove status
54
Cause
Faulty pressure switch
No power supply to the auger
Blocked flue
Grate requires cleaning
Faulty thermostat
Faulty electronic board
Faulty fan
Momentary power failure during
operation
Empty hopper
Grate requires cleaning
Operating temperature not reached
Faulty glow plug (igniter)
Faulty electronic board
Continuous operation of the auger
motor
H07026300 / DT2000786 – 00
Solution
Replace the pressure switch (use only
original spares)
Check the electrical connections
(contact a Piazzetta After-Sales
Service Centre or an authorised
person)
Check and clean the flue
Clean the grate (see section 7.1)
Replace hopper thermostat (use only
original spares)
Replace the electronic board (use only
original spares)
Check fan operation and replace if
necessary (use only original spares)
The stove restarts automatically and
continues operating normally at power
level 2
Fill the hopper
Clean the grate (see section 7.1)
Empty the grate and restart
Replace glow plug (use only original
spares)
Replace the electronic board (use only
original spares)
Replace the electronic board (use only
original spares)