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Pompes Salmson 05/2015
10.2 Fault signals - Air-conditioning AC operating mode
• A fault occurs.
• The pump goes off, the fault signal LED (continuous red light) is activated. The
error message appears on the display, SSM opens. Then, the fault needs to be
reset by hand. Double pump: The standby pump is switched on.
• The transmission of the fault via the serial digital interface depends on the type
of IF Module. For details, see the documentation (Installation and operating
instructions of the IF Module).
NOTE: Code nos. "E04" (mains undervoltage) and "E05" (mains overvoltage) are
treated as faults only during AC operation and lead to immediate deactivation.
Table 10.1: Fault signals
Code
no.
Symbol
flashing
Fault
Cause
Remedy
E04
Line
terminal
Mains
undervoltage
Power supply too low on
mains side
Check mains voltage
E05
Line
terminal
Mains
overvoltage
Power supply too high on
mains side
Check mains voltage
E10
Motor
Pump
blockage
e.g. due to deposits
Unblocking routine starts
automatically.If the block-
age is not removed after a
maximum of 40 seconds,
the pump goes off.
Request customer service
E20
Motor
Excess wind-
ing tempera-
ture
Motor overloaded
Allow motor to cool down,
check setting
Water temperature too high Reduce water temperature
E21
Motor
Motor
overload
Deposits in the pump
Request customer service
E23
Motor
Short circuit/
earth leakage
Motor/module defective
Request customer service
E25
Motor
Faulty
contact
Module not connected
properly
Re-connect module
E30
Module
Excess
module tem-
perature
Limited air supply to mod-
ule heat sink
Improve room ventilation,
check operating condi-
tions, request customer
service, if necessary
E31
Module
Excess
power sec-
tion temper-
ature
Ambient temperature too
high
Improve room ventilation,
check operating condi-
tions, request customer
service, if necessary
E36
Module
Module
defective
Electronic components
defective
Request customer service/
replace module