SV Series
Spa Controls
26
Error Codes & Troubleshooting Problems
How to troubleshoot spa problems
SV spa controllers feature self diagnostics and scrolling error messages to quickly
troubleshoot possible problems. Should the spa control encounter a problem the error
code / message will scroll across the topside panel screen until the problem is resolved. If
an error condition is experienced all spa functions are shut down and the spa should not
be used until the error condition has been resolved. A list of error codes with
descriptions of problems and possible solutions is detailed below for your reference.
IMPORTANT NOTE
For most error codes mains power to the spa control must be turned
OFF and then back ON before the error condition will be cleared.
Heartbeat LED
All SV model spa packs feature a red flashing heartbeat LED light. The heartbeat LED is
located on the front right hand side of the spa pack itself (
installed underneath spa skirt).
The heartbeat LED flashes to indicate the current health/status of the spa pack. When
the spa pack is functioning correctly with no errors to report the heartbeat LED emits a
single flash in a constant pulse much like a heartbeat (ON, OFF, ON, OFF). If the spa
pack encounters a fault the heartbeat LED will begin flashing in sequence with the error
code number being experienced (ie. ER2 = ON,ON; OFF ON,ON; OFF).
If the keypad display is ever blank a spa user can still determine the health / status of the
SV controller by removing a panel from the spa skirt and checking the heartbeat LED on
the front of the spa pack itself.
ER-2 HEATER PLUG
Problem:
No heater sensor communication
Cause:
Internal heater sensor communication problem
Solutions:
Turn mains power OFF, wait 5 minutes then restart spa
Contact spa reseller if problem is not resolved with power reset
ER-3 WATER PRIME
Problem:
Water prime failed – air detected in heater tube
Cause:
Airlock in pipe work, low water level, dirty filter cartridges
Solutions:
Press Pump A button to retry water prime
Check spa water level (refill if necessary)
Remove filter cartridges and press Pump A button to retry prime
Bleed airlock from pipe work by slightly loosening couplings on front of
filtration pump
Remove filter cartridges and flush water down pipe work with a hose
ER-4 THERMAL TRIP
Problem:
Heater thermal trip activated. Heater has been active and has had
insufficient water flow over the element. Low or no water flow has
caused the heater temperature to exceed its maximum limits and the
spa control has shut down operation to prevent any damage to the
heater unit
Cause:
Low water level, airlock in pipe work, closed shut-off valves, dirty
filter cartridges, filtration pump failed or operation intermittent
Solutions:
Turn mains power OFF and wait 10-15 minutes for element to cool
and thermal cut-out device to reset. Then turn power back ON
Check spa water level (refill if necessary)
Remove filters and clean as per manufacturer’s recommendations or
replace cartridges if required
Check under spa cabinet to ensure all shut-off valves are in the OPEN
position
Bleed airlock from pipe work by slightly loosening couplings on front of
filtration pump or by removing filters and flushing water down pipe
work with a hose.
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