ERROR SOLUTIONS
HMI
Communication
error
1. Main board and display board connection loose or damaged;
Control software doesn’t match with the HMI software; HMI PCB
damages; Main Board damages;
2. Check the plugs on HMI PCB and reconnect; Upgrade Control
software and HMI Software; Replace a new HMI PCB; Replace a
new Main Board.
Coee
thermo-block
NTC error
1. Electronic fault between sensor and master board.
The temperature of the thermo-block exceeds 180°C;
2. Replace the connectors of thermo-block; Replace the NTC sensor;
Switch o and restart after 30 minutes; Replace
thermo-block group.
Steam
thermo-block
NTC error
1. Electronic fault between sensor and master; The temperature
of the thermo-block exceeds 180°C;
2. Replace the connectors of thermo-block; Replace the NTC sensor;
Switch o and restart after 30 minutes; Replace
thermo-block group.
Coee
thermo-block
heating overtime
1. The temperature of the thermo-block exceeds settled value and
fuse burn outsensor damage; Thermo-block damage;
2. Replace the fuse of thermo-block; Replace the NTC sensor;
Replace thermo-block group.
Steam
thermo-block
heating overtime
1. The temperature of the thermo-block exceeds settled value and
fuse burn outsensor damage; Thermo-block damage;
2. Replace the fuse of thermo-block; Replace the NTC sensor;
Replace thermo-block group.
Diverted
valve error
1. The valve is still in the wrong position after multiple self-tests;
Valve damage;
2. Switch o, 5 seconds later reboot the machine change valve.
Failure
to switch on
1. No power; Voltage isn’t high enough; Not Switched on; Power PCB
damages; The fuse of Main Power is blown;
2. Check if the machine is connected with power; Connect the
machine with acceptable power; Check if the machine is switched
on; Replace a new Power PCB; Replace a new fuse.
Crash
1. System stops unexpectedly;
2. Turn o the machine, wait for about 5 seconds, then turn it on
again; upgrade the system program of the coee machine.
No milk
1. The milk box is empty; The pipe or outlet of steam is blocked;
The pipe of steam is broken; The number of Air Intake is set too
high. The Milk Frother is blocked;
2. Refill milk to the milk box; Perform milk deep rinse;
Disassemble the cover of machine, check the pipe of steam;
Set the number of Air Intake lower; Disassemble and clean the
milk frother; replace a new milk frother.
No milk foam,
only warm milk
1. The inlet of Air Intake Valve is blocked; The pipe of Air Intake
valve is blocked; The Air Intake Valve damages;
2. Check the inlet and the pipe of Air Intake;
Replace a new Air Intake Valve.
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