29
3. High temperature and overload protection (E8) (AP1 below means control board of outdoor unit)
Main detection points:
S
Is the outdoor ambient temperature in normal range?
S
Is the indoor and outdoor fan running normally?
S
Is the condensing unit blocked with dirt and debris?
E8 is displayed
If the outdoor
ambient temperature is higher
than 127°F?
Normal protection, unit starts
when ambient temperature
lowers.
Unit restarts
normally
Unit restarts
normally
Is the unit clear of debris
and the coil is clean?
Clean the heat exchanger
and remove surrounding obstacles
Are the indoor and outdoor
fan running normally?
Are the connections
tight?
Adjust the
connection
Replace outdoor
mainboard
Replace mainboard
Replace Motor
Replace Fan
capacitor
Fan capacitor is broken?
Motor is broken?
End
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Fig. 32 – Troubleshooting
Summary of Contents for 538FEQ009RBGA
Page 6: ...6 DIMENSIONS OUTDOOR Fig 3 Dimensions Fig 4 Dimensions Fig 5 Dimensions Fig 6 Dimensions...
Page 10: ...10 Outdoor Unit Fig 11 Sizes 09 12...
Page 47: ...47 Shut off power hold both ends of horizontal...
Page 48: ...48...
Page 49: ...49...
Page 50: ...50 ziptie side cutters...
Page 51: ...51...
Page 52: ...52...
Page 53: ...53...
Page 54: ...54...
Page 67: ...67 6 7 8...
Page 68: ...68 9 Remove electric box 10 Remove evaporator...
Page 69: ...69...
Page 70: ...70 11 Remove swing blade...
Page 71: ...71 12 Remove cross flow blade and motor...
Page 72: ...72 13 Remove drive box...
Page 84: ...84 APPENDIX Appendix 1 Reference Sheet of Celsius and Fahrenheit...
Page 89: ...89 UNIT BREAKDOWNS a b c d e...
Page 90: ...90 f g h...
Page 91: ...91...
Page 92: ...92...
Page 93: ...93...