Hakko Electronics FR-702 - Page 61

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CHECK : Is the desoldering gun cord assembly properly connected?
ACTION : Connect it tightly.
CHECK : Is the heating element damaged?
ACTION : Replace it with a new one.
CHECK :
I Is the sensor broken?
ACTION : Measure the resistance value of the sensor. When the
resistance value is ∞, replace the heater.
CHECK : Is the heater broken?
ACTION : Measure the resistance value of the heater. The correct values
are approximately: 17Ω (±10％120V and normal temperature).
When the resistance value is not within the normal range,
replace the heater.
ACTION : The fan may be broken. Replace the fan with a new one.
● The nozzle does not heat up.
(Desoldering Tool)
● is displayed (Hot air)
● is displayed (Hot air)
● is displayed (Hot air)