Step-in constant temperature and humidity laboratory maintenance method

Walk-in constant temperature and humidity test room is a large non-standard equipment, need to transport materials and library board to the customer's site for on-site production, once the equipment fails, maintenance is also very complicated, need to formal production of walk-in constant temperature and humidity test room manufacturers technical personnel to overhaul, the following share several maintenance methods: 1.
Capacitor bypass method: When a circuit appears a very strange phenomenon, such as display chaos, you can determine the circuit part of
the problem through the capacitor bypass method.

2.
Isolation method: Isolation method refers to the need for the same type of test instrument to be compared and safe and reliable
.

According to the picture of the fault repair, the scope of the fault can be further narrowed, so as to compare with the signal, exchange parts, etc.
, and generally be able to quickly find out where the problem is 3.
Observation method: through sight, smell and touch
.

At some point, damaged components may be discolored or burnt spots
may appear.

Burned parts will emit some special odor
.

If the chip is short-circuited, it will be very hot
.

4.
Elimination method: The elimination method of the walk-in constant temperature and humidity laboratory mainly judges the fault factors through some plug-in boards
.

When a plug-in board is unplugged, if the instrument returns to normal, the problem appears there, but this method is suitable for technicians to operate to prevent non-personnel electric
shock.