6 | Troubleshooting
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B1300122_en | Operating instructions Lambdamat LM 800-1000
6.3 Faults with fault message
If a fault has occurred and has not yet been cleared:
▪ A warning symbol (1) flashes in the Quick menu
▪ In case of a fault/alarm, the operating status “Fault Off” (2) is displayed
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Navigate to the error display using the Quick menu
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The current fault list is displayed:
The term “fault” is a collective term for warnings, errors and alarms. The boiler reacts
differently to the three types of message:
Type of fault
Character
Boiler behaviour
WARNING
▪ YELLOW warning sign
▪ Message with YELLOW
background
In case of warnings the boiler initially
continues controlled operation, giving the
option of resolving the error quickly to
prevent a shutdown.
ERROR
▪ ORANGE warning sign
▪ Message with ORANGE
background
The boiler follows the shutdown procedure
and remains in "Switched off OFF" status
until the problem is resolved.
ALARM
▪ RED warning sign
▪ Message with RED
background
An alarm triggers a system emergency
stop. The boiler shuts down immediately,
the heating circuit controller and pumps
remain active.
6.3.1 Procedure for fault messages
Troubleshooting and fault messages
See operating instructions SPS 4000
