Make sure the air conditioner is switched on and the plug is pushed completely into the outlet. You may also check the fuse/circuit breaker box and replace the fuse or reset the breaker.
If a problem still exists, disconnect power and contact our Koppel Customer Service at (02) 8823-8883 + Local Numbers.
For Parts Inquiry: Local 310 or 313
For Customer Support: Local 316, 317, 318, 319, 320, 321 or 322.