Install Instructions
installation &
operating instructions
Armstrong
Compass H
8
10.0 troubleshooting
warning
Before starting any work on the pump, make sure that
the electrical supply has been switched o and that it
cannot be accidentally switched on.
fault control
panel
cause remedy
No Fault Shows "E1"
Voltage too high or too low (than ±10%
of the rated voltage)
Check voltage level of the electricity supply.
The pump
does not run
Light o
No power to the pump Check power supply.
The pump is defective Replace the pump.
Shows "E2" Jammed rotor Remove the casing and manually unlock the impeller/rotor.
Shows "E3" No liquid in the system at start up. Fill up the system.
Shows "ER" Miscellaneous internal failure
Check voltage of the electricity supply.
Replace the pump.
Noise in the
system
Shows watts
and USgpm
Air in the system See section 8.2 Venting of the pump system.
The flow is too high
Select a lower speed or pressure curve (see section 9). Pump
settings and pump performance.
Noise in the
pump
Shows watts
and USgpm
Lock Rotor
Change to another operation mode. If the situation continues
remove the casing and free the rotor.
Air in the pump
Let the pump run. It vents itself over time (see section 8.2)
venting the pump.
The inlet pressure is too low
Increase the inlet pressure or check the air volume in the
expansion tank, if installed.
Insucient
heat in space
Shows watts
and USgpm
No Water in the pump Fill the system.
The pump performance setting may be
too low
Select a higher speed or pressure curve setting (see section
9). Pump settings and pump performance.
Confirm that the system requirement can be met by this
pump capacity or larger pump may be required.