25
Instructions
EZ Boost
TM
System
Possible cause
Remedy
The pump performance is too
high compared to the inlet
yield.
Replace the pump with a
smaller one.
In line filter or BMQE screen is
blocked.
Filter or BMQE service is
required.
Restarting:
After 5 minutes (factory setting), the motor will restart
automatically.
7.3.3. Position of LED’s
Fig. 12
1
2
3
4
5
Pos.
Indication
Description
1
+24 V overload
Permanent red light when
the internal 24 VDC supply is
overloaded.
2
+24 V
Permanent green light when
the internal 24 VDC supply is
OK.
3
+10 V
Permanent green light when
the internal 10 VDC supply is
OK.
4
+5 V
Permanent green light when
the internal 5 VDC supply is OK.
5
9 indicator lights:
• Control indicator
• Min. speed
• Max. speed
• Sensor defective
• Overload*
• Over
temperature*
• Speed reduction*
• Voltage alarm*
• No contact to
pump *
(see Fig. 14)
• Flashing green light when
the pump control is working
correctly.
• Permanent yellow light
when the pump is running at
minimum speed, 3,000 rpm
• Permanent yellow light
when the pump is running
at maximum speed, 10,700
rpm.
• Permanent red light when
the sensor signal is out of
signal range.
• Permanent red light when
the motor load exceeds
the stop limit, see section 9,
Factory Settings.
• Permanent red light when
the motor temperature
exceeds the stop limit, see
section 9, Factory Settings.
• Permanent red light when the
pump speed is reduced, see
section 9, Factory Settings.
• Permanent red light when the
supply voltage is out of range,
see section 9, Factory Settings.
• Permanent red light when
communication between the EZ
Boost controller and the pump is
impossible.
* Press the on/off button to reset the alarm indication.
LEZTL01.indd
10/8/2004, 1:39 PM
25
