Troubleshooting - Sea Breeze SMZ18H46ZOGX Installation Manual

The first step in troubleshooting is to disconnect power for 3 minutes to allow the unit to reset.
If this does not rectify the problem proceed with the troubleshooting chart below.
Problem
The unit does not run.
Cooling and or Heating efficiency is
not good.
Wireless remote control is not
working. (See Note 2)
Water leaking into room.
Water leakage in outdoor unit.
Noise from indoor unit emitted.
Notes:
1) If E7 error code occurs, see the AUTO mode section in Operators Manual on page 7 (mode conflict).
2) An audible beep will be heard, when a button is pressed, if the remote control is communicating with
the receiver.
This air conditioning system has been provided with built in self diagnostic error codes. Please refer to the
following table for error code definitions:
950-0195revJ

TROUBLESHOOTING

Troubleshooting
 Is the power off?
 Is the circuit protection device tripped?
 Is voltage too high or low?
(Tested by a professional)

Is the Timer on?

A 3 minute delay occurs before each compressor start.
 Is temperature setting correct?
 Are the inlet or outlet vents obstructed?
 Is the filter clean?
 Are windows and doors closed?
 Is fan set to low speed?

Is there a heat source in the room?
 Reset unit. Disconnect main power for 30 seconds then
reapply.
 Is it within receiving range? Is it obstructed?
 Replace the batteries.
 Is remote control damaged?
 The air humidity is excessively high. Check to see if all
windows and doors are closed.
 Call service Tech if not corrected by the above action.
 When the unit is running in Auto Defrosting mode, ice will
thaw and drip into pan.

When the unit is running in HEAT mode, the water
adhered to the condenser coil drains into pan.

When defrosting is started or stopped, it will make a
sound. This is due to the refrigerant flow reversing
directions.

Normal refrigerant flowing in unit.
- 31 - December 3, 2015