Friedrich PZH09K3SB User Manual

63 PB
TROUBLESHOOTING
Control Panel Does Not Work
Figure 702
1. Check Power Supply for appropriate voltage.
2. If the power supply voltage is OK, but the control panel does not work, the 24V thermostat could be fauty. Check the ther-
mostat.
3. To check the control panel, press and hold the [Cool] and [up] keys simultaneously for 5 seconds. LED will show ‘P’ charac-
ter. If the panel has a strange character displayed, the PCB inside is faulty. Replace the control panel.

Friedrich PZH09K3SB Specifications

General

Brand	Friedrich
Model	PZH09K3SB
Category	Air Conditioner
Language	English