60
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
: IIs 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)
Summary of Contents for FR-702
Page 71: ...70 MEMO...