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Communication Fault:
E6, Indoor unit.
Indoor Standby LED, flash 6 times.
Green LED, Outdoor unit off.
# Disconnect the main power supply to the indoor unit by means of the isolation switch. After
approximately one minute, turn the power supply back on & attempt to operate the unit in "Auto" mode
with a set temperature of two degrees above or below the ambient temperature.
If the Communication fault has not cleared:
# Check for supply voltage at the following points.
Between the Active -Out & Neutral points on the indoor PCB.
Between the Active & Neutral points on the indoor terminal block.
Between the Active & Neutral points on the outdoor terminal block.
Between the Active & Neutral points on the outdoor PCB.
Active - Out & Neutral supply voltage
points on indoor PCB.
Active & Neutral points on
outdoor terminal block.
Page 16 KSSSI113
Active & Neutral supply voltage
points on indoor terminal block.
Active & Neutral supply voltage points on
outdoor PCB.
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