ECR International G95V Installation Manual And Operating Instructions page 51

A RED LED is provided to indicate furnace operating status
LED Condition Fault Condition
LED ON Normal operation
LED OFF No power to control or
control
hardware fault detected
1 Flash High limit switch open
2 Flashes Pressure switches open
with inducer on
3 Flashes Pressure switches closed
with inducer off
4 Flashes Control in 1 hour lockout
5 Flashes L1/Neutral Polarity problem Check supply voltage to ensure proper polarity to
DIAGNOSTIC CODES FOR STATUS LED
Check
No action required. Control OK.
Line voltage input power at L1 and Neutral
connectors control board.
System wire harness in good condition and
securely connected at both ends.
Open limit switch.
Limit switch and wiring in good condition and
securely connected.
Check for blocked air filter, correct temperature rise,
blower speed selection, closed ducts, ect.
Pressure switches operation, tubing and wiring.
Obstruction or restrictions in venting preventing
proper air flow.
Pressure switches stuck closed.
Pressure switches mis-wired or jumpered.
Gas supply OFF, or gas supply pressure too low to
operate furnace.
Damaged or broken HSI element.
Line voltage input power at L1 and Neutral
connectors control board.
Furnace not properly earth grounded.
Flame sensor rod contaminated or in incorrect
position.
HSI element located in wrong position.
Hot surface element or flame sensor wiring in good
condition and properly connected.
L1 and Neutral connections.
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