Ecoer EAHAEC-36 - Page 79

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SDi Decades Extreme Service Manual www.ecoer.com
May. 2023Manufacturer reserves the right to change specifications or designs without notice.
PC03
Low pressure protection
107
EC0d
Outdoor unit malfunction
109
PC0L
Low ambient temperature protection
116
FL09
Mismatch between the new and old platforms
---
For other errors:
The display board may show a garbled code or a code undefined by the service manual. Ensure that this
code is not a temperature reading.
Troubleshooting:
Test the unit using the remote control. If the unit does not respond to the remote, the indoor PCB requires
replacement. If the unit responds, the display board requires replacement.
LED flash frequency:
... ...
8.2.2 Error Display on Two Way Communication Wired Controller
Display
Malfunction or Protection
Page
EHb3
Communication error between wire controller and indoor unit
124
The other error codes displayed on the wire controller are same from those on the unit.