Ningbo Chengxiang Powder coating Co., Ltd.

Products

Application issues

6.Baker issues

Main issues	Causes	Solution
Unconformity between baker temperature and given temperature	Wire issues between thermocouple and heater strip	Periodically check
	Adjust temperature controller	Adjust or change broken part
	Thermocouple and heater strip issues	Change
	Unstable net voltage	Check and adjust
	Invalid sealing,reducing valve，pressure relief system	Check all air supplying system
	Air surging	Check air producing or consumption system
	Low pressure of gas-fired	Check air pressure
	Large output	Contact baker factory
	Unreasonable ratio of gas and air	Adjust
Extinct pilot lamp	Gas valve closed	Open valve
	Relief valve turning on	Check wire and controlling valve
	Inadequate gas pressure	Refer to inflamer requirements
	Flame lighter broken	1.Check,clearing,change flame lighter 2.Check mend or change flame lighter 3.Check mend or change inflaming transformer
	Pilot lamp setting issues	Refer to factory's standard
	Not fully exhaust cycle	Check exhausting time
No igniting of main inflamer	Main valve closed	Open main valve
	Opening safety controlling system	Check wire and relief valve whether open
	Closed showing valve	Check,Change
	Flame overseeing signal issues	Check and change signal system
	Inadequate gas pressure	Refer to equipment index
	Fuel controlling pump issues	Maintenance,change
	Air valve issues	Check the setting and operation of air valve
	Broken switch	Adjust
Parts pollution	Sundries in baker pollution	Clearing baker
Parts pollution	Charry particle	Adjust inflamer
No electrifying of loop	Mistaken earth	Check wire and connection
	Fuse and circuit breaker issues	Change insurance，check reason
	Little hot wind	Check wind inductor
Powder blown	Intense air impact part	Reduce air flowing volume
Electrifying but no heating of infrared equipment	Button interlock	Check and mend circuit
	Interlock system	Check and mend circuit
	Timing, temperature controlling trouble	Mend broken part
	Thermocouple trouble	Mend thermocouple
	Breaks of AC contactor	Often check and mend
	Melting of AC contactor fuse	Check and adjust system or change fuse type
	Wire trouble from control panel to heating unit	Fasten touch point
Not fully heating		1, Check and adjust system or change fuse type 2, Often check and mend circuit
	Unit burned or partial broken	Mend or change unit
	Wire trouble	Fasten the touch point
No starting of heater	Preheating unit is not turning on	Often check and mend circuit
	Fuse trouble	Check and adjust system or change fuse type
	Pipeline valve closed	Open
	Unreasonable air pressure	Contact equipment factories
Not fully heating	Unreasonable air pressure	Contact equipment factories
	Jam of Whiff	Clearing
	Thermocouple trouble	Refer to the index of factory
	Unobstructed pipeline or valve	Check and mend
Overheating	Unreasonable air	Choose proper air or change nozzle
Overheating	Too high air pressure	Adjust