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Additional Checks for Troubleshooting
ESIE06-03
3–52
3
1
3
4
5
5.4
Four Way Valve Performance Check
Check No.05
Replace the four way valve
coil.
Replace the outdoor unit PCB.
Replace the four way valve.
NO
∗
Four way valve coil
Cooling / dry : No continuity
Heating : Continuity
YES
YES
NO
S80 voltage
at DC 220-240 V with
compressor on?
(Fig. 1)
Four way valve
coil resistance at
1500 ohms?
Turn off the power and turn it on
again.
Start the heating-mode run.
Disconnect the four way valve coil
from the connector and check the
continuity.
Voltage at S80
DC220-240V
Compressor
ON
Time
Summary of Contents for Altherma EKHBH Series
Page 2: ...ESIE06 03 1 2 Part 1 System Outline 3 1 1 5 ...
Page 26: ...Functional Diagrams ESIE06 03 1 26 Part 1 System Outline 3 1 1 4 5 ...
Page 32: ...Piping Diagrams ESIE06 03 1 32 Part 1 System Outline 3 1 1 4 5 ...
Page 38: ...Switch Box Layout ESIE06 03 1 38 Part 1 System Outline 3 1 1 4 5 ...
Page 58: ...PCB Layout ESIE06 03 1 58 Part 1 System Outline 3 1 1 4 5 ...
Page 60: ...ESIE06 03 2 2 Part 2 Functional Description 3 1 2 5 ...
Page 68: ...Hydro box Functional Concept ESIE06 03 2 10 Part 2 Functional Description 3 1 2 4 5 ...
Page 88: ...ESIE06 03 3 2 Part 3 Troubleshooting 3 1 3 5 ...
Page 134: ...Error Codes System Malfunctions ESIE06 03 3 48 Part 3 Troubleshooting 3 1 3 4 5 ...
Page 152: ...Additional Checks for Troubleshooting ESIE06 03 3 66 Part 3 Troubleshooting 3 1 3 4 5 ...
Page 154: ...ESIE06 03 5 2 Part 5 Disassembly and Maintenance 3 1 5 ...