Flight Crew Multiengine; Flight Crew Instrument; Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 192; Flight Crew Type 1249
Aircraft Equipment Problem Less Severe; Deviation / Discrepancy - Procedural Published Material / Policy; Flight Deck / Cabin / Aircraft Event Other / Unknown
Aircraft Equipment Problem Dissipated; Flight Crew FLC Overrode Automation
Aircraft
Passing roughly 2;000 feet; autopilot off; FO (First Officer) hand flying; get direct CSHEL. I'm heads down in the box; when my peripheral sees an ECAM and System page on lower ECAM pop up. By the time I execute the direct and look over; [the] screens go back to normal [and there is] nothing on [the] Status page. FO has no clue; but I know some thing's up.Passing roughly 4;000 feet; No Smoking and LDG light green indications on upper ECAM screen cycle on and off a few times; then return to normal. Passing roughly 12;000 feet; 'Ding;' ECAM: C/B tripped rear panel W-Z. No breakers are tripped; but ECAM stays displayed for about 3 minutes. Then goes out. Passing roughly 18;000 feet; 'Ding;' ECAM: HYD B RSVR LO AIR PR. On status page; HYD B quantity good; system output press good - 3;000 - but air pressure indicating low.[I] messaged Technical Support Maintenance Control; [and] they ask about quantity and fluid pressure. I reply; 'Both normal.' ECAM lasts roughly 3 minutes and then clears itself. Passing roughly 22;000; LDG LT indication on upper ECAM screen cycles on and off. Finally extinguishes after two minutes.I messaged Technical Support Maintenance Control again [and] ask what's going on. They ignore me [and] never reply. In order to document [them]; I wrote up all 4; tripped C/B; HYD low air pressure; smoking light; landing light. While this is all going on; I'm thinking the jet might be on fire. Always my first thought when random; inexplicable things start happening. Two thorough cycles through the system pages reveal all normal; which puts me at ease. Once established at cruise; all indications [were] normal and we continued [the] flight with no further incident.
A320 Captain reported multiple ECAM messages; advisory lights; and ECAM displays switching; then dissipating during flight with no observable systems failing.