Menikini IND0205 - Maintenance and Repair

41
English
PROBLEMS:
Below is a list of the solutions for some problems that may occur on the machine
over time.
9 - MAINTENANCE AND REPAIR
ANOMALIES CAUSES SOLUTIONS
1
WHEN THE MAIN SWITCH
IS TURNED O N THE DIFFE-
RENTIAL BLOWS
- Differential too weak - Compare the machine data
with the data of the instal-
led differential
- Extension cable excessi-
vely long
- Use a suitable extension ca-
ble
- Resistance insulated - Replace resistance
2
THE GENERATOR PRESSURE
DOES NOT INCREASE
- Machine with lack of
water
- Check water quantity in
tanks
- Pressure gauge - Check pressure gauge
- Resistance - Check resistance
- Thermoregulator - Check that the temperatu-
re is at least 150°C
- Fuses cut out - Check fuses
3
PUMP DOES NOT WORK
- Water tanks empty - Fill up tanks
- does not load water - Pump - Replace pump
- Filter clogged - Celan or replace f lter
- Water lacking pilot light is
always on
- Pump - Replace pump
- Lack of water in tank - Fill up tank
- Water electrovalve - Replace electrovalve
- Level regulator - Check conductivity of level
regulator
- does not starts - Level probe - Remove any scaling or al-
gae from probe
- Level regulator - Check operation of level re-
gulator
4
SAFETY VALVE OPENS RE-
PEATEDLY
- water is loaded continuo-
usly
- Boiler water level probe - Remove any scaling or al-
gae from probe
- Check operation of level re-
gulator
- Level regulator
- Pressure switch - Replace pressure switch
and check that the hydrau-
lic circuit is free from sca-
ling
- Safety valve - Replace safety valve
5
STEAM IS NOT SUPPLIED
- Electrovalve coil cut off - Replace coil
- Electrovalve body dirty - Replace electrovalve body
6
VERY HOT SURFACE
- Internal steam leak - repair leak
- fans do not work - replace fans or check
electric system