Trouble shooting
Fault
Probable cause
Recommended solution
Pump will not start
Electrical
Check power supply (appliance plugged in and electrical
power on)
Check fuse
Check circuit breaker
Inlet/Outlet connections
Check that the connections are plumbed in the correct way
round and all valves are open
Insufficient mains flow
Check that the installation complies with the Salamander
instructions
Check inlet filters are not blocked
Check stopcock and all isolating valves are fully open
Check natural flow rate minimum of 3litres/min
Over temperature (single
sideways light flashing)
Leave unit turned off for ten minutes to cool down
Then re-attempt start up routine
Natural flow >12lpm
Diagonal flash, Normal Pump Function
Pump starts and
lights flash diagonally
Sufficient mains water flow HomeBoost
™
not required to run at this time. Pump will only
run during periods of low water flow
Reduced/
intermittent flow
Insufficient flow
See above
Blocked inlet filter
Ensure that inlet filter is free from debris
Air in system
Run system on full cold for a whole house install, or full hot in
a combi boiler install, with pump switched off (i.e. mains water
supply only) for several minutes
Pump starts with all
outlets closed
Leak in system
Check for leaks
Outlet open
Ensure all outlets are fully closed or capped – i.e. no dead legs in
pipe work
Pump is noisy
Air in system
See above
Pump vibrating against
other pipework
Move pump away from contact with other pipe work
Pump running hard
Check filters and unblock if necessary
Pump is leaking
Pump has suffered chemical
damage
Ensure that pump has not come into contact with chemical
substance i.e. solder flux
Pump exposed to extreme
temperature
Ensure adequate frost protection
Pump appears to have
leaked but not sure
Check leak is not from fitting in pipe work above pump
Check condensation build up – drain holes in the base of the
pump casing should allow excessive water to drain off
If pump is still inoperable, please contact the Technical Service Team on
0191 516 2002
9
Lighting codes
Lighting pattern
Denotes
On steady and dim
Power on
Slow clockwise
Pump in normal running mode
Fast clockwise
Pump in high speed running mode
Single sideways flash
Overheat (motor speed will be limited until temperature drops, or will cut off
completely for safety in extreme cases)
Double sideways flash
Encoder or motor fault
Flashing diagonally
Sufficient mains water flow through pump without pump running
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