![background image](http://html1.mh-extra.com/html/daikin/fhc45bz7v1/fhc45bz7v1_service-manual_2459255277.webp)
ESIE02–01
Error Codes: Outdoor Units
Part 3 – Troubleshooting
3–47
3
3
4
5
1
3.7
Malfunctioning HPS (
H3
)
Error code
H3
LED indications
The table below shows the LED indications.
Error generation
The error is generated when there is no continuity in the high-pressure switch during compressor OFF.
Causes
The possible causes are:
■
Malfunctioning high-pressure switch
■
Broken or disconnected high-pressure switch harness
■
Malfunctioning high-pressure switch connector connection
■
Malfunctioning outdoor unit PCB.
Troubleshooting
To troubleshoot, proceed as follows:
Operation
HAP (green)
H1P (red)
H2P (red)
Normal
6
8
8
Malfunction
6
7
7
Check the high pressure
switch (HPS).
Is the
HPS correctly
connected to the
outdoor unit
PCB?
Connect correctly.
Ÿ
Turn the power off and back on
again after 10 minutes.
Ÿ
Check the continuity of the HPS
for control and safety.
No
Yes
Does
this HPS have
continuity?
Replace HPS
without continuity.
No
Yes
Replace outdoor
unit PCB
Summary of Contents for FHC45BZ7V1
Page 1: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
Page 2: ......
Page 3: ...ESIE02 01 Service Manual Sky Air R 407C B series SV p p p...
Page 4: ......
Page 16: ...Introduction ESIE02 01 xii 3 1 4 5...
Page 18: ...ESIE02 01 1 2 Part 1 System Outline 3 1 1 5...
Page 42: ...General Outline Outdoor Units ESIE02 01 1 26 Part 1 System Outline 3 1 1 4 5...
Page 49: ...ESIE02 01 General Outline Indoor Units Part 1 System Outline 1 33 3 1 4 5...
Page 72: ...General Outline Indoor Units ESIE02 01 1 56 Part 1 System Outline 3 1 1 4 5...
Page 86: ...Specifications ESIE02 01 1 70 Part 1 System Outline 3 1 1 4 5...
Page 110: ...ESIE02 01 1 94 Part 1 System Outline...
Page 130: ...Switch Box Layout ESIE02 01 1 114 Part 1 System Outline 3 1 1 4 5...
Page 180: ...PCB Layout ESIE02 01 1 164 Part 1 System Outline 3 1 1 4 5...
Page 182: ...ESIE02 01 2 2 Part 2 Functional Description 3 1 2 5...
Page 204: ...General Functionality ESIE02 01 2 24 Part 2 Functional Description 3 1 2 4 5...
Page 216: ...Overview of the cooling mode functions ESIE02 01 2 36 Part 2 Functional Description 3 1 2 4 5...
Page 232: ...ESIE02 01 3 2 Part 3 Troubleshooting 3 1 3 5...
Page 294: ...Error Codes System Malfunctions ESIE02 01 3 64 Part 3 Troubleshooting 3 1 3 4 5...