Safety / Maintenance / Repair
© Elma Schmidbauer GmbH BA_Elmasteam 4
5
_EN_Vers. 01.2019
7.7 Troubleshooting
Fault Possible cause Remedy
increase to 4.5 bar
LED heating lights
• Pressure tank screw cap is not
closed leak-tight.
• Close pressure tank screw
cap tightly.
If necessary replace sealing
ring
• Heater fault • Send machine to a service
point
The Tank empty LED
lights even if the tank is
full
• Heavy scale on heater or
thermostat
• Rinse pressure boiler
(chapter 7.2)
• Heater already damaged by
overheating due to heavy lime
deposits
• Send machine to a service
point
Steam suddenly
discharges with short, loud
noise development at the
safety valve
• Safety valve has tripped
operation immediately.
• Send machine to a service
point
For basic P-HP machines
(with pump):
Pump no longer delivers
water
• Water supply not opened • Check water supply of the
machine
• Machine has been switched
on with empty pressure tank;
thereby the maximum pump
time of 2 minutes has been
exceeded;
pump goes into a fault state
and is switched off
automatically
• Perform initial filling with
approx. 2 litres of water
• Switch mains power switch
off and then on again (reset)
• Sieve in the water connection
is clogged.
• Clean sieve (chapter 7.3).
• ensure higher water pressure