Mitsubishi Electric CRHV-P600YA-HPB Service Handbook page 120

Hot water heat pump
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[ IX Troubleshooting ]
2. Checking the sensor status
Setting procedure
Step 1
Set the dip switches
SW2 and SW3.
Step 2
Select the desired
item with the push
switch SWP3.
Step 3
Press the push
switches SWP1 (↑) or
SWP2 (↓) to increase
or decrease the value.
Step 4
Press the push switch
SWP3 to save the
change.
HWE1312A
Set the dip switches on the circuit board as follows to check temperatures and pres-
sures.
SW2
10
5
6
7
OFF
OFF
OFF
OFF
Press the push switch SWP3 to toggle through the item codes listed below.
Select an item code from c01 through c36, and press either of the push switches SWP1
or SWP2 to display the current temperature, pressure, and electrical current in blinking
form.
Refer to "Sensors and item code list" for the types of errors that appear on error history.
Press SWP3 to stop the blinking and return to the item code display.
- 113 -
SW3
8
9
10
OFF
ON
ON
GB

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