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Mitsubishi Electric CAHV-P500YA-HPB Service Handbook

Mitsubishi Electric CAHV-P500YA-HPB
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[ IX Troubleshooting ]
- 105 -
HWE10060 GB
IX Troubleshooting
[1] Maintenance items
1. Checking the error history
Take the following steps to view the last six error histories (error codes).
Refer to “[2] 2.Error code list” for information about error codes. (page 115)
Setting procedure
Step 1
Set the dip switches
SW2 and SW3.
Set the dip switches on the circuit board as follows to view error histories.
SW2 SW3
105678910
OFF OFF OFF OFF OFF ON ON
Step 2
Select the desired
item with the push
switch SWP3.
Press the push switch SWP3 to toggle through the item codes listed below.
Select an item code from 1 through 18, and press either of the push switches SWP1 or
SWP2 to display the error history (error code) in blinking form.
Step 3
Press the push
switches SWP1 () or
SWP2 () to increase
or decrease the value.
Refer to "Error history item list" for the types of errors that appear on error history.
Step 4
Press the push switch
SWP3 to save the
change.
Press SWP3 to stop the blinking and return to the item code display.

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Mitsubishi Electric CAHV-P500YA-HPB Specifications

General IconGeneral
BrandMitsubishi Electric
ModelCAHV-P500YA-HPB
CategoryHeat Pump
LanguageEnglish

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