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In case of alarm the alarm message «Err» is displayed. To detect the alarm root, press the
«KEY1»
button and review the list of all alarm
messages using the
«KEY2»
and
«KEY3»
buttons.
The alarm message consists of a number (1, 2, 3) and a letter (n, Y).
The number determines the alarm message type.
1: fire alarm activation.
2: temperature sensor short circuit
3: temperature sensor breakout
The letter indicates no alarm (n) or available alarm (Y).
Example:
«1-Y»: fire alarm activation. If the fire alarm panel is disconnected, it means that the controller contacts 31 and 32 are not jumpered.
«2-Y»: temperature sensor short circuit.
«3-n»: no temperature sensor breakout.
Access to the control circuit board and location of the indicator and control buttons.
Controller
X2 earth terminal block
C1 capacitor
C2 capacitor
TR1 power transformer
KEY2 button
KEY1 button
KEY3 button
HL1 light indicator
Summary of Contents for ERV 100
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