
116
Hitachi compressor drive overload troubleshooting (Rectifying circuit)
Observe whether bridge rectifier looks dim or
black. If yes, it can be initially considered bridge
rectifier is burnt
P\N\L1B\L2B\L3B characters cover their
corresponding welding points
If visual observation fails, use a multimeter
(diode gear) to test it after power off Use a
multimeter according to the left diagram
Negative
Negative
Negative
Negative
Negative
Negative
Positive
Positive
Positive
Positive
Positive
Positive
Summary of Contents for P70131000000
Page 15: ...15 1 3 TIMS080 100 120 140 160AX 1 4 TIMS180 200 220AX ...
Page 38: ...38 Heating mode ...
Page 46: ...46 4 1 Remote controller instructions Functions ...
Page 65: ...65 Then the following screen appears Click IDU Data set IDU operating data click Confirm ...
Page 66: ...66 3 Centralized Control 3 1 Methods of installing TIMS centralized wired controller ...
Page 103: ...103 Troubleshooting Remarks Figure 1 Thermal conductive silicon grease is applied unevenly ...
Page 108: ...108 Troubleshooting Measure the in between pressure DC Body Electrical wiring drawing ...
Page 131: ...131 2 Low voltage is too low ...
Page 149: ...149 ...
Page 150: ...150 2 22 Compressor startup current is too large Fault code E007 E03 4 ...
Page 151: ...151 2 23 Trip ...
Page 162: ...162 2 2 IDU TMDN AB AC TMDH A TMDF A TMDN AB EXV 220V 50Hz Water level On Off ...