Mitsubishi Electric PUHZ-SW50VHA Service Manual page 58

Split-type, air to water heat pump
Hide thumbs Also See for PUHZ-SW50VHA:
Table of Contents

Advertisement

SW2 setting
Comp. surface temperature (TH34)
−52 to 221
ON
1
2 3 4 5 6
U9 Error details (To be shown while
error call is deferred.)
ON
1
2 3 4 5 6
OCH525C
Display detail
The black square ( ) indicates a switch position.
Explanation for display
−52 to 221
(When the comp. surface thermistor detects 100°C or
more, hundreds digit, tens digit and ones digit are
displayed by turns.)
(Example) When 105°C;
0.5 s 0.5 s 2 s
Description
(No error)
Overvoltage error
Undervoltage error
Input current sensor error
Abnormal power synchronous signal
PFC error
(Overvoltage/Undervoltage/Overcurrent)
PFC/IGBT error
(Undervoltage)
Display examples for multiple errors:
Overvoltage (01) + Undervoltage (02) = 03
Undervoltage (02) + Power-sync signal error (08) = 0A
Input current sensor error (04) + PFC error (10) = 14
58
1
05
Display
00
01
02
04
08
10
20
Unit
:

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents