18
Do not spray flammable chemicals around unit to avoid fire.
Ⅷ、
Troubleshooting and solutions
SYMPTOM
CORRECTIVE ACTION
Heat pump will
not start, no
control board
display
Breaker or fuse may be tripped. Reset breaker or check fuse. If
heat pump still does not run
，
call for service. Three-phase models
only the phases may be reversed or there may be a loss of phase,
call for service.
Heat pump will
not start, control
board display
working
Heat pump may be in delay count down of 3 minutes. Make sure
control board thermostat is calling for heater to come on (check
setting on thermostat and temperature reading).Make sure heat
pump is not in cooling mode.
