Troubleshooting; Warning Signals; Problems - Causes - Solutions - Saeco MAGIC M2 Technical Manual

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11

TROUBLESHOOTING

11.1

Warning signals

This chapter describes all the warning messages that the machine may display to the user and the actions that can and/or must be performed by the user.
String
Drip tray full
Coffee temperature not ready
Waiting for milk rinsing
Water mains filling Timeout
Solid waste full
Solid waste not present
Milk temperature not ready
Milk cleaning needed
Water tank is empty
Water Filter must be changed
Brewing unit missing
Circuit priming needed
Cappuccino maker missing
Door opened
Out of coffee beans
Descaling procedure must be completed
Descaling procedure needed
Milk rinsing needed
Solid waste warning
Drip tray warning
Water filter warning
11.2

Problems - Causes - Solutions

The following table indicates the possible error or alarm causes which may lead to a partial or total shutdown of the appliance.
String
Board communication error
No communication with the payment device
GRINDER BLOCKED
Brewing unit can't reach WORK
Brewing unit can't reach HOME
Coffee water circuit clogged
DC valve failure
Doser failure
Coffee Heater temperature sensor short circuit
Coffee Heater temperature sensor open loop
Coffee Heating up timeout
BREWING UNIT SHORT CIRCUIT
Zero crossing failure
Milk Circuit clogged
Milk Heater temperature sensor short circuit
Milk Heater temperature sensor open loop
Milk Heating up timeout
Heater coffee over temperature
Heater milk over temperature
Every time the machine reports one of these errors it tracks it at the same time in its error log.
The occurrence of each of these errors causes all the charges to turn off instantaneously
(gear motors, heating unit, pump, solenoid valves) and a monkey wrench appears on the
screen with the relative identification number.
62
ID
1 Liquid container full
45 The coffee heating unit is not ready to dispense
58 Waiting for the rinsing of the milk circuit
64 Circuit recharge alarm or tank level control failure
68 Residue container full
91 Residue container not present
95 The milk heating unit is not ready to dispense
101 The milk circuit needs to be washed
251 The water level in the tank is not sufficient
255 The water softeners must be replaced
301 The coffee dispenser unit is missing
303 The hydraulic circuit must be loaded
304 Cappuccino maker missing
316 Side door open
317 Out of coffee beans
320 Descaling procedure must be completed
321 Descaling procedure needed
322 The milk circuit needs to be rinsed
323 Residue container almost full
324 Liquid container almost full
326 Water softener almost spent
Error code
E7 Communication error
E88 The payment system is active, but there is no communication with the device.
E305 The coffee grinder is blocked and won't turn
E306 The unit can't reach the WORK position
E307 The unit can't reach the HOME position
E308 The flow meter is stopped, water does not flow even if the pump is on
E309 One of the solenoid valves is not working
E310 If the microswitch of the doser is pressed (indicating doser full) and, when powering the doser it does not switch,
an error is generated (after 4 attempts)
E311 Temperature sensor (NTC) short circuit
E312 Temperature sensor (NTC) does not convey
E313 The heating unit did not reach the target within the maximum time
E314 Gear motor of the brewing unit has short circuited
E315 The electricity grid is unstable
E327 The flow meter is stopped, water does not flow even if the pump is on
E328 Temperature sensor (NTC) short circuit
E329 Temperature sensor (NTC) does not convey
E330 The heating unit did not reach the target within the maximum time
E331 The heating unit temperature is too high
E332 The heating unit temperature is too high
Description
Description