Aircommand sandpiper, Owner'S Manual

Page: 20 / 22

Sandpiper Installation Guide 28
th
May 2013 – Revision 7 Page 20 of 22
SANDPIPER TROUBLESHOOTING GUIDE
Symptom Cause Correction
Unit does not
operate
No power supply to unit
Check that mains power is plugged into van
and that the supply is switched ON.
Check the van’s air-conditioner power circuit
breaker is ‘ON’.
Remote control is not operating Check the remote control screen, if blank then
replace batteries.
Stand close to unit and point remote directly
towards the IR receiver on the control pad to
test operation of remote. If there is no ‘beep’
from the air conditioner then replace batteries
and re test.
Test air conditioner operation by using the
control pad.
Fault condition indicated by
error codes on the control pad
E1 – return air sensor fault
E2 – inside coil sensor fault
E3 – outside coil sensor fault
E4 – inside coil not cooling
E5 - outside coil over temperature
E15-communication error between control pad
and main board (check connections or replace
control pad)
E18-ambient temperature sensor error
E21-outdoor air temperature sensor error
Contact Aircommand Australia for specialist
advice on fault correction and access to our
service agents.
Poor cooling or
heating
performance
Return air filter is blocked
Remove filter, clean & replace. Clean filter
every 2 weeks and more frequently with high
use.
Air outlets are closed
Ensure that at least 2 outlets are open, highest
capacity is available when all outlets are fully
open.
Return air inlet (on Sandpiper
unit) is blocked by objects or is
too close to cupboards/walls etc Remove any objects that block air returning to
the air inlet (between the return air grille and
the return air inlet on the Sandpiper), refer to
instruction manual for details of required
distances between the inlet and surrounds.
Air outlet is directed into the
return air inlet This will cause the unit to ‘short circuit’ and so
the compressor will cut in and out regularly.
Ensure air is directed away from the return air
inlet.
Ducting length is too long and
has too many sharp bends The ducting should be as short and straight as
possible for optimal performance, try to
reduce lengths and sharp bends in ducting,
refer to instruction manual for recommended