Panasonic PT-DZ21KU Operating Instructions Manual page 159

Self-diagnosis
display
F50 Exhaust fan 1 warning
F51 Exhaust fan 2 warning
F52 Exhaust fan 3 warning
F53 Exhaust fan 4 warning
F54 Intake fan 1 warning
F55 Intake fan 2 warning
F56 Lamp 1 fan warning
F57 Lamp 2 fan warning
F58 Lamp 3 fan warning
F59 Lamp 4 fan warning
F61 Lamp 1 power transmission error
F62 Lamp 2 power transmission error
F63 Lamp 3 power transmission error
F64 Lamp 4 power transmission error
F70 Lamp 1 power supply fan warning
F71 Lamp 2 power supply fan warning
F72 Power supply fan warning
F73 Signal fan warning
F74 Lamp 1/2 relay fan warning
F75 Lamp 3/4 relay fan warning
F76 Color prism fan 1 warning
F77 Color prism fan 2 warning
F78 Color prism fan 3 warning
Details
z When the display does not clear even after switching
Self-diagnosis display
Measure
the main power on and off, consult your dealer.
ENGLISH - 159