Operating instructions

TROUBLESHOOTING

7.2 Checklist for fault diagnosis and troubleshooting

7.2.1 Textual error messages

LCD textual error messages Cause of fault Troubleshooting measure(s)

Temp. too high

Temp. too low

Boiler temp. too high

Boiler temp. too low

Unknown hardware or soft-

ware error

Static charge

Effect of storm (overvoltage

due to storm)

Disconnect / connect to mains

power supply.

1. Disconnect c5 coffee mak-

er from the mains power

supply.

2. Wait at least 30 seconds.

3. Connect c5 coffee maker

to the mains power supply.

4. Switch on c5 coffee mak-

er.

5. Decision:

If the textual error mes-

sage is no longer shown,

there is no need for any

action.

If the textual error mes-

sage is still on view, notify

Customer Support.

Refill milk Milk level too low. If milk level monitoring is in-

stalled:

- check milk level.

- replenish milk supply.