HANSCRAFT PLUG & PLAY, User Manual

9

Trouble shooting

message

meaning

action required

ICE

“

Ice

” – Potential freeze 

condition detected.

No action required. The pumps and 
the blower will automatically activate 
regardless of spa status.

SnA

Spa is shut down.* The sensor 
that is plugged into the Sensor 
“

A

” jack is not working.

If the problem persists, contact your 
dealer or service organization. (May 
appear temporarily in an overheat 
situation and disappear when the 
heater cools.) 

Snb

Spa is shut down.* The sensor 
that is plugged into the Sensor 
“

B

” jack is not working.

If the problem persists, contact your 
dealer or service organization. (May 
appear temporarily in an overheat 
situation and disappear when the 
heater cools.) 

SnS

Sensors are out of balance. 
If this is alternating with the 
temperature, it may just be a 
temporary condition. If the 
display shows only this message 
(periodically blinking), the spa is 
shut down.

If the problem persists, contact your 
dealer or service organization.

HFL

A substantial difference 
between the temperature 
sensors was detected. This 
could indicate a flow problem.

Check water level in spa. Refill if 
necessary. If the water level is okay, 
make sure the pumps have been primed. 
Press any button to reset.

LF

Persistent low flow problems. 
(Displays on the fifth occurrence 
of the “

HFL

” message within 

24 hours.) Heater is shut 
down, but other spa functions 
continue to run normally.

Follow action required for “

HFL

” 

message. Heating capacity of the spa will 
not reset automatically; you may press 
any button to reset.

dr

Inadequate water detected in 
heater.

Check water level in spa. Refill if 
necessary. If the water level is okay, 
make sure the pumps have been primed. 
Press any button to reset.

*  On some systems even when spa is shut down, some equipment may occasionally turn on to 

continue monitoring temperature or if freeze protection is needed.