Faults, Causes And Remedies; Fault Signals - salmson PRIUX MASTER-D 32-90 Instalacion Y Puesta En Servicio

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CAUTION! Risk of damage to property!
If, for maintenance or repair work, the motor head is detached from the pump housing,
the O-ring located between the motor head and pump housing must be replaced with
a new one. When installing the motor head, check that the O-ring is correctly seated.
• To disconnect the motor, unscrew the 4 internal hexagon screws (fig. 6, item 1).
CAUTION! Risk of damage to property!
Do not damage the O-ring located between the motor head and the pump housing.
The O-ring must lie, untwisted, in the bearing plate chamfer facing the impeller.
• After installation, retighten the 4 internal hexagon screws crosswise.
• For the commissioning of the pump, see chapter 8.

10 Faults, causes and remedies

Faults, causes and remedies tables 10, 10.1, 10.2.
Only have faults remedied by qualified personnel. Follow the safety instructions in
chapter 9 .
Faults
Pump is not running
although the power supply
is switched on. Black display
Pump is making noises.
Building does not get
warm.
Table 10: Faults with external interference sources

10.1 Fault signals

• The fault signal is indicated by the LED display (fig. 1a, item 1.1).
• The fault signal LED is continuously illuminated in red (fig. 1a, item 1.2).
• SSM contact opens.
• The pump switches off (depending on the error code), and attempts a cyclical restart.
EXCEPTION: Error code E10 (blocking)
After approx. 10 minutes, the pump switches off permanently and displays the error code.
40
Causes
Electrical fuse defective.
Pump has no voltage.
Cavitation due to insuffi-
cient suction pressure.
Thermal output of the
heating surfaces is too low.
Remedy
Check fuses.
Restore power after interruption.
Increase the system suction pressure
within the permissible range.
Check the delivery head setting and set
to lower head if necessary.
Increase setpoint (see 8.2.1).
Set control mode to Δp-c.
Pompes Salmson 02/2013