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Use and Care Manual

ManualsBrandsMRCOOL ManualsAir ConditionersUniversal 36,000 BTU 3 Ton 18 SEER R-410A Central Split System Heat Pump with 35 ft. No-Vac Install Kit - 208/230-Volt
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Page 36mrcool.com
Maintenance
Unit Maintenance
Number Error Code Error
22 P5 Over-current protection
23 P6 Master control and driver communication error
Driver module sensor error
25 P8 Driver module high temperature protection
26 P9 Zero-crossing protection
27 PA AC current protection
28 Pc Driver current error
29 Pd Sensor connection protection
30 PE Temperature drift protection
31 PL Bus low-voltage protection
32 PH Bus high-voltage protection
33 PU Charge loop error
34 PP Input voltage error
35 ee Driver memory chip error
36 C4 ODU jumper cap error
24 P7
NOTICE
When the unit is connected with the wired controller, the error code will show simultaneously
on it.
Warning
1) Only professionals may carry out annual maintenance.
2) Before contacting any wire, make sure power is turned o๎˜œ.
4) Do not use organic solvent to clean the air conditioner.
5) If you need to replace a component, contact a professional to repair the unit with a component supplied
by MRCOOL to ensure the quality.
6) Improper operation may damage the unit, causing electric shock or ๎˜re.
7) Do not immerse the air conditioner in water or electric shock may occur. Do not use water to rinse the
unit during cleaning.
3) Do not allow ๎˜žammable objects near the unit.